21337498396350 has 72 divisors (see below), whose sum is σ = 57361136877720. Its totient is φ = 5686586055360.

The previous prime is 21337498396343. The next prime is 21337498396421. The reversal of 21337498396350 is 5369389473312.

21337498396350 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 7 + 498 + 3 + 96 + 3 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13472005 + ... + 14972304.

It is an arithmetic number, because the mean of its divisors is an integer number (796682456635).

It is a 1-persistent number, because it is pandigital, but 2⋅21337498396350 = 42674996792700 is not.

Almost surely, 2^{21337498396350} is an apocalyptic number.

21337498396350 is an abundant number, since it is smaller than the sum of its proper divisors (36023638481370).

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

21337498396350 is a wasteful number, since it uses less digits than its factorization.

21337498396350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28445994 (or 28445986 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 63.

The spelling of 21337498396350 in words is "twenty-one trillion, three hundred thirty-seven billion, four hundred ninety-eight million, three hundred ninety-six thousand, three hundred fifty".