245365164643 has 16 divisors (see below), whose sum is σ = 261063713664. Its totient is φ = 229808154240.

The previous prime is 245365164631. The next prime is 245365164659. The reversal of 245365164643 is 346461563542.

It is a de Polignac number, because none of the positive numbers 2^k-245365164643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245365164613) 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, 9043528 + ... + 9070618.

It is an arithmetic number, because the mean of its divisors is an integer number (16316482104).

Almost surely, 2^245365164643 is an apocalyptic number.

245365164643 is a deficient number, since it is larger than the sum of its proper divisors (15698549021).

245365164643 is a wasteful number, since it uses less digits than its factorization.

245365164643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29682.

The product of its digits is 6220800, while the sum is 49.

The spelling of 245365164643 in words is "two hundred forty-five billion, three hundred sixty-five million, one hundred sixty-four thousand, six hundred forty-three".