7492492507491 has 6 divisors (see below), whose sum is σ = 10822489177500. Its totient is φ = 4994995004988.

The previous prime is 7492492507481. The next prime is 7492492507517. The reversal of 7492492507491 is 1947052942947.

7492492507491 is a `hidden beast` number, since 7 + 4 + 9 + 2 + 4 + 92 + 50 + 7 + 491 = 666.

It is not a de Polignac number, because 7492492507491 - 2⁷ = 7492492507363 is a prime.

It is a super-2 number, since 2×7492492507491² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7492492507481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416249583741 + ... + 416249583758.

It is an arithmetic number, because the mean of its divisors is an integer number (1803748196250).

Almost surely, 2^{7492492507491} is an apocalyptic number.

7492492507491 is a deficient number, since it is larger than the sum of its proper divisors (3329996670009).

7492492507491 is a wasteful number, since it uses less digits than its factorization.

7492492507491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832499167505 (or 832499167502 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 7492492507491 in words is "seven trillion, four hundred ninety-two billion, four hundred ninety-two million, five hundred seven thousand, four hundred ninety-one".