245567623117 has 64 divisors (see below), whose sum is σ = 296374464000. Its totient is φ = 201580904448.

The previous prime is 245567623073. The next prime is 245567623123. The reversal of 245567623117 is 711326765542.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245567623117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245567623127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76049059 + ... + 76052287.

It is an arithmetic number, because the mean of its divisors is an integer number (4630851000).

Almost surely, 2^245567623117 is an apocalyptic number.

It is an amenable number.

245567623117 is a deficient number, since it is larger than the sum of its proper divisors (50806840883).

245567623117 is a wasteful number, since it uses less digits than its factorization.

245567623117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670.

The product of its digits is 2116800, while the sum is 49.

The spelling of 245567623117 in words is "two hundred forty-five billion, five hundred sixty-seven million, six hundred twenty-three thousand, one hundred seventeen".