21246586632074 has 24 divisors (see below), whose sum is σ = 32628207626112. Its totient is φ = 10376113952880.

The previous prime is 21246586632043. The next prime is 21246586632083. The reversal of 21246586632074 is 47023668564212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7226732 + ... + 9732359.

It is an arithmetic number, because the mean of its divisors is an integer number (1359508651088).

Almost surely, 2^{21246586632074} is an apocalyptic number.

21246586632074 is a deficient number, since it is larger than the sum of its proper divisors (11381620994038).

21246586632074 is a wasteful number, since it uses less digits than its factorization.

21246586632074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16959422 (or 16959369 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 21246586632074 in words is "twenty-one trillion, two hundred forty-six billion, five hundred eighty-six million, six hundred thirty-two thousand, seventy-four".