545997699000 has 1536 divisors, whose sum is σ = 2236695552000. Its totient is φ = 122332032000.

The previous prime is 545997698941. The next prime is 545997699059. The reversal of 545997699000 is 996799545.

545997699000 is a `hidden beast` number, since 5 + 459 + 97 + 6 + 9 + 90 + 0 + 0 = 666.

545997699000 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (545997698941) and next prime (545997699059).

It is a super-2 number, since 2×545997699000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3928040931 + ... + 3928041069.

It is an arithmetic number, because the mean of its divisors is an integer number (1456182000).

Almost surely, 2^545997699000 is an apocalyptic number.

545997699000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545997699000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118347776000).

545997699000 is an abundant number, since it is smaller than the sum of its proper divisors (1690697853000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545997699000 is a wasteful number, since it uses less digits than its factorization.

545997699000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 545997699000 in words is "five hundred forty-five billion, nine hundred ninety-seven million, six hundred ninety-nine thousand".