547749981504 has 224 divisors, whose sum is σ = 1757333422080. Its totient is φ = 165922444800.

The previous prime is 547749981491. The next prime is 547749981517. The reversal of 547749981504 is 405189947745.

547749981504 is a `hidden beast` number, since 5 + 4 + 7 + 7 + 49 + 9 + 81 + 504 = 666.

It is an interprime number because it is at equal distance from previous prime (547749981491) and next prime (547749981517).

It is a super-3 number, since 3×547749981504³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89163457 + ... + 89169599.

Almost surely, 2^547749981504 is an apocalyptic number.

547749981504 is a gapful number since it is divisible by the number (54) 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 547749981504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878666711040).

547749981504 is an abundant number, since it is smaller than the sum of its proper divisors (1209583440576).

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

547749981504 is a wasteful number, since it uses less digits than its factorization.

547749981504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10866 (or 10850 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 547749981504 in words is "five hundred forty-seven billion, seven hundred forty-nine million, nine hundred eighty-one thousand, five hundred four".