21374811462 has 8 divisors (see below), whose sum is σ = 42749622936. Its totient is φ = 7124937152.

The previous prime is 21374811443. The next prime is 21374811473. The reversal of 21374811462 is 26411847312.

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

21374811462 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 21374811462.

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, 1781234283 + ... + 1781234294.

It is an arithmetic number, because the mean of its divisors is an integer number (5343702867).

Almost surely, 2^21374811462 is an apocalyptic number.

21374811462 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.

21374811462 is a wasteful number, since it uses less digits than its factorization.

21374811462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562468582.

The product of its digits is 64512, while the sum is 39.

The spelling of 21374811462 in words is "twenty-one billion, three hundred seventy-four million, eight hundred eleven thousand, four hundred sixty-two".