245636500641 has 12 divisors (see below), whose sum is σ = 380987225712. Its totient is φ = 140363714568.

The previous prime is 245636500597. The next prime is 245636500679. The reversal of 245636500641 is 146005636542.

It is not a de Polignac number, because 245636500641 - 2⁷ = 245636500513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245636500593 and 245636500602.

It is not an unprimeable number, because it can be changed into a prime (245636501641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 835498155 + ... + 835498448.

It is an arithmetic number, because the mean of its divisors is an integer number (31748935476).

Almost surely, 2^245636500641 is an apocalyptic number.

245636500641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

245636500641 is a deficient number, since it is larger than the sum of its proper divisors (135350725071).

245636500641 is a wasteful number, since it uses less digits than its factorization.

245636500641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670996620 (or 1670996613 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 245636500641 in words is "two hundred forty-five billion, six hundred thirty-six million, five hundred thousand, six hundred forty-one".