7491806982629 has 16 divisors (see below), whose sum is σ = 7555625825280. Its totient is φ = 7428181334400.

The previous prime is 7491806982623. The next prime is 7491806982643. The reversal of 7491806982629 is 9262896081947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7491806982629 is a prime.

It is a super-2 number, since 2×7491806982629² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7491806982623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500480657 + ... + 500495625.

It is an arithmetic number, because the mean of its divisors is an integer number (472226614080).

Almost surely, 2^{7491806982629} is an apocalyptic number.

It is an amenable number.

7491806982629 is a deficient number, since it is larger than the sum of its proper divisors (63818842651).

7491806982629 is a wasteful number, since it uses less digits than its factorization.

7491806982629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21140.

The product of its (nonzero) digits is 188116992, while the sum is 71.

The spelling of 7491806982629 in words is "seven trillion, four hundred ninety-one billion, eight hundred six million, nine hundred eighty-two thousand, six hundred twenty-nine".