245377772465 has 16 divisors (see below), whose sum is σ = 347373511680. Its totient is φ = 162831332160.

The previous prime is 245377772449. The next prime is 245377772491. The reversal of 245377772465 is 564277773542.

It is a happy number.

It is not a de Polignac number, because 245377772465 - 2⁴ = 245377772449 is a prime.

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, 113076230 + ... + 113078399.

It is an arithmetic number, because the mean of its divisors is an integer number (21710844480).

Almost surely, 2^245377772465 is an apocalyptic number.

It is an amenable number.

245377772465 is a deficient number, since it is larger than the sum of its proper divisors (101995739215).

245377772465 is a wasteful number, since it uses less digits than its factorization.

245377772465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226154672.

The product of its digits is 69148800, while the sum is 59.

The spelling of 245377772465 in words is "two hundred forty-five billion, three hundred seventy-seven million, seven hundred seventy-two thousand, four hundred sixty-five".