549797263092 has 720 divisors, whose sum is σ = 1950085368000. Its totient is φ = 133092771840.

The previous prime is 549797263087. The next prime is 549797263097. The reversal of 549797263092 is 290362797945.

549797263092 is a `hidden beast` number, since 5 + 497 + 9 + 7 + 26 + 30 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (549797263087) and next prime (549797263097).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549797263097) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 323599659 + ... + 323601357.

It is an arithmetic number, because the mean of its divisors is an integer number (2708451900).

Almost surely, 2^549797263092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549797263092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975042684000).

549797263092 is an abundant number, since it is smaller than the sum of its proper divisors (1400288104908).

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

549797263092 is a wasteful number, since it uses less digits than its factorization.

549797263092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 549797263092 in words is "five hundred forty-nine billion, seven hundred ninety-seven million, two hundred sixty-three thousand, ninety-two".