21837300602068 has 12 divisors (see below), whose sum is σ = 43674601204192. Its totient is φ = 9358843115160.

The previous prime is 21837300601993. The next prime is 21837300602077. The reversal of 21837300602068 is 86020600373812.

21837300602068 is an admirable number.

It is a congruent number.

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, 389951796438 + ... + 389951796493.

Almost surely, 2^{21837300602068} is an apocalyptic number.

21837300602068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

21837300602068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21837300602068 is a wasteful number, since it uses less digits than its factorization.

21837300602068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779903592942 (or 779903592940 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 21837300602068 in words is "twenty-one trillion, eight hundred thirty-seven billion, three hundred million, six hundred two thousand, sixty-eight".