21463759000 has 32 divisors (see below), whose sum is σ = 50225198400. Its totient is φ = 8585503200.

The previous prime is 21463758977. The next prime is 21463759021. The reversal of 21463759000 is 95736412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10730880 + ... + 10732879.

It is an arithmetic number, because the mean of its divisors is an integer number (1569537450).

Almost surely, 2^21463759000 is an apocalyptic number.

21463759000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21463759000 is an abundant number, since it is smaller than the sum of its proper divisors (28761439400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21463759000 is a wasteful number, since it uses less digits than its factorization.

21463759000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21463780 (or 21463766 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 21463759000 in words is "twenty-one billion, four hundred sixty-three million, seven hundred fifty-nine thousand".