21296493354 has 8 divisors (see below), whose sum is σ = 42592986720. Its totient is φ = 7098831116.

The previous prime is 21296493299. The next prime is 21296493371. The reversal of 21296493354 is 45339469212.

It is a sphenic number, since it is the product of 3 distinct primes.

21296493354 is an admirable 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, 1774707774 + ... + 1774707785.

It is an arithmetic number, because the mean of its divisors is an integer number (5324123340).

Almost surely, 2^21296493354 is an apocalyptic number.

21296493354 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.

21296493354 is a wasteful number, since it uses less digits than its factorization.

21296493354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549415564.

The product of its digits is 1399680, while the sum is 48.

The spelling of 21296493354 in words is "twenty-one billion, two hundred ninety-six million, four hundred ninety-three thousand, three hundred fifty-four".