61364674475465 has 64 divisors (see below), whose sum is σ = 79007409868800. Its totient is φ = 45619401844224.

The previous prime is 61364674475449. The next prime is 61364674475477. The reversal of 61364674475465 is 56457447646316.

It is not a de Polignac number, because 61364674475465 - 2⁴ = 61364674475449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61364674475395 and 61364674475404.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3612440702 + ... + 3612457688.

It is an arithmetic number, because the mean of its divisors is an integer number (1234490779200).

Almost surely, 2^{61364674475465} is an apocalyptic number.

It is an amenable number.

61364674475465 is a deficient number, since it is larger than the sum of its proper divisors (17642735393335).

61364674475465 is a wasteful number, since it uses less digits than its factorization.

61364674475465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20206.

The product of its digits is 1219276800, while the sum is 68.

The spelling of 61364674475465 in words is "sixty-one trillion, three hundred sixty-four billion, six hundred seventy-four million, four hundred seventy-five thousand, four hundred sixty-five".