74157476651 has 2 divisors, whose sum is σ = 74157476652. Its totient is φ = 74157476650.

The previous prime is 74157476639. The next prime is 74157476681. The reversal of 74157476651 is 15667475147.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74157476651 is a prime.

It is a super-2 number, since 2×74157476651² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74157476593 and 74157476602.

It is not a weakly prime, because it can be changed into another prime (74157476621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37078738325 + 37078738326.

It is an arithmetic number, because the mean of its divisors is an integer number (37078738326).

Almost surely, 2^74157476651 is an apocalyptic number.

74157476651 is a deficient number, since it is larger than the sum of its proper divisors (1).

74157476651 is an equidigital number, since it uses as much as digits as its factorization.

74157476651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 53.

The spelling of 74157476651 in words is "seventy-four billion, one hundred fifty-seven million, four hundred seventy-six thousand, six hundred fifty-one".