21059696462 has 8 divisors (see below), whose sum is σ = 36102336816. Its totient is φ = 9025584192.

The previous prime is 21059696443. The next prime is 21059696507. The reversal of 21059696462 is 26469695012.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21059696462.

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 3 ways as a sum of consecutive naturals, for example, 752132003 + ... + 752132030.

It is an arithmetic number, because the mean of its divisors is an integer number (4512792102).

Almost surely, 2^21059696462 is an apocalyptic number.

21059696462 is a deficient number, since it is larger than the sum of its proper divisors (15042640354).

21059696462 is a wasteful number, since it uses less digits than its factorization.

21059696462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504264042.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 21059696462 in words is "twenty-one billion, fifty-nine million, six hundred ninety-six thousand, four hundred sixty-two".