74102464609 has 2 divisors, whose sum is σ = 74102464610. Its totient is φ = 74102464608.

The previous prime is 74102464589. The next prime is 74102464637. The reversal of 74102464609 is 90646420147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40749478225 + 33352986384 = 201865^2 + 182628^2 .

It is a cyclic number.

It is not a de Polignac number, because 74102464609 - 2²¹ = 74100367457 is a prime.

It is a super-2 number, since 2×74102464609² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74102464409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37051232304 + 37051232305.

It is an arithmetic number, because the mean of its divisors is an integer number (37051232305).

Almost surely, 2^74102464609 is an apocalyptic number.

It is an amenable number.

74102464609 is a deficient number, since it is larger than the sum of its proper divisors (1).

74102464609 is an equidigital number, since it uses as much as digits as its factorization.

74102464609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 74102464609 in words is "seventy-four billion, one hundred two million, four hundred sixty-four thousand, six hundred nine".