245423655636 has 24 divisors (see below), whose sum is σ = 583460013024. Its totient is φ = 80264340000.

The previous prime is 245423655509. The next prime is 245423655641. The reversal of 245423655636 is 636556324542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192942490 + ... + 192943761.

It is an arithmetic number, because the mean of its divisors is an integer number (24310833876).

Almost surely, 2^245423655636 is an apocalyptic number.

It is an amenable number.

245423655636 is an abundant number, since it is smaller than the sum of its proper divisors (338036357388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245423655636 is a wasteful number, since it uses less digits than its factorization.

245423655636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385886311 (or 385886309 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 51.

The spelling of 245423655636 in words is "two hundred forty-five billion, four hundred twenty-three million, six hundred fifty-five thousand, six hundred thirty-six".