235012821864 has 16 divisors (see below), whose sum is σ = 587532054720. Its totient is φ = 78337607280.

The previous prime is 235012821859. The next prime is 235012821877. The reversal of 235012821864 is 468128210532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4896100432 + ... + 4896100479.

It is an arithmetic number, because the mean of its divisors is an integer number (36720753420).

Almost surely, 2^235012821864 is an apocalyptic number.

235012821864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

235012821864 is an abundant number, since it is smaller than the sum of its proper divisors (352519232856).

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

235012821864 is a wasteful number, since it uses less digits than its factorization.

235012821864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792200920 (or 9792200916 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 235012821864 in words is "two hundred thirty-five billion, twelve million, eight hundred twenty-one thousand, eight hundred sixty-four".