245436374502665 has 16 divisors (see below), whose sum is σ = 296624975808000. Its totient is φ = 194952861718272.

The previous prime is 245436374502623. The next prime is 245436374502733. The reversal of 245436374502665 is 566205473634542.

It is a cyclic number.

It is not a de Polignac number, because 245436374502665 - 2⁸ = 245436374502409 is a prime.

It is a super-2 number, since 2×245436374502665² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245436374502598 and 245436374502607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289976240 + ... + 290821409.

It is an arithmetic number, because the mean of its divisors is an integer number (18539060988000).

Almost surely, 2^{245436374502665} is an apocalyptic number.

It is an amenable number.

245436374502665 is a deficient number, since it is larger than the sum of its proper divisors (51188601305335).

245436374502665 is a wasteful number, since it uses less digits than its factorization.

245436374502665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580798256.

The product of its (nonzero) digits is 435456000, while the sum is 62.

The spelling of 245436374502665 in words is "two hundred forty-five trillion, four hundred thirty-six billion, three hundred seventy-four million, five hundred two thousand, six hundred sixty-five".