5491492651008 has 1600 divisors, whose sum is σ = 21315432600000. Its totient is φ = 1398364176384.

The previous prime is 5491492650991. The next prime is 5491492651013. The reversal of 5491492651008 is 8001562941945.

5491492651008 is a `hidden beast` number, since 5 + 4 + 91 + 492 + 65 + 1 + 0 + 0 + 8 = 666.

It is a super-3 number, since 3×5491492651008³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 189361815538 + ... + 189361815566.

It is an arithmetic number, because the mean of its divisors is an integer number (13322145375).

Almost surely, 2^{5491492651008} is an apocalyptic number.

5491492651008 is a gapful number since it is divisible by the number (58) 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 5491492651008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10657716300000).

5491492651008 is an abundant number, since it is smaller than the sum of its proper divisors (15823939948992).

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

5491492651008 is an frugal number, since it uses more digits than its factorization.

5491492651008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 5491492651008 in words is "five trillion, four hundred ninety-one billion, four hundred ninety-two million, six hundred fifty-one thousand, eight".