612464064465 has 32 divisors (see below), whose sum is σ = 1069098393600. Its totient is φ = 296932771520.

The previous prime is 612464064463. The next prime is 612464064469. The reversal of 612464064465 is 564460464216.

It is not a de Polignac number, because 612464064465 - 2¹ = 612464064463 is a prime.

It is a super-2 number, since 2×612464064465² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612464064461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2578906 + ... + 2806364.

It is an arithmetic number, because the mean of its divisors is an integer number (33409324800).

Almost surely, 2^612464064465 is an apocalyptic number.

It is an amenable number.

612464064465 is a deficient number, since it is larger than the sum of its proper divisors (456634329135).

612464064465 is a wasteful number, since it uses less digits than its factorization.

612464064465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243797.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 612464064465 in words is "six hundred twelve billion, four hundred sixty-four million, sixty-four thousand, four hundred sixty-five".