245210451065 has 16 divisors (see below), whose sum is σ = 294800103936. Its totient is φ = 195803644800.

The previous prime is 245210451061. The next prime is 245210451067. The reversal of 245210451065 is 560154012542.

It is not a de Polignac number, because 245210451065 - 2² = 245210451061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245210451061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6371330 + ... + 6409700.

It is an arithmetic number, because the mean of its divisors is an integer number (18425006496).

Almost surely, 2^245210451065 is an apocalyptic number.

It is an amenable number.

245210451065 is a deficient number, since it is larger than the sum of its proper divisors (49589652871).

245210451065 is a wasteful number, since it uses less digits than its factorization.

245210451065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40720.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 245210451065 in words is "two hundred forty-five billion, two hundred ten million, four hundred fifty-one thousand, sixty-five".