21348701596 has 24 divisors (see below), whose sum is σ = 38681158320. Its totient is φ = 10297564032.

The previous prime is 21348701581. The next prime is 21348701597. The reversal of 21348701596 is 69510784312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21348701597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61255 + ... + 215521.

It is an arithmetic number, because the mean of its divisors is an integer number (1611714930).

It is a 1-persistent number, because it is pandigital, but 2⋅21348701596 = 42697403192 is not.

Almost surely, 2^21348701596 is an apocalyptic number.

It is an amenable number.

21348701596 is a deficient number, since it is larger than the sum of its proper divisors (17332456724).

21348701596 is a wasteful number, since it uses less digits than its factorization.

21348701596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155493 (or 155491 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 21348701596 in words is "twenty-one billion, three hundred forty-eight million, seven hundred one thousand, five hundred ninety-six".