21734416675 has 12 divisors (see below), whose sum is σ = 27122341936. Its totient is φ = 17276781600.

The previous prime is 21734416663. The next prime is 21734416687. The reversal of 21734416675 is 57661443712.

It is an interprime number because it is at equal distance from previous prime (21734416663) and next prime (21734416687).

It is not a de Polignac number, because 21734416675 - 2²⁹ = 21197545763 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2764791 + ... + 2772640.

Almost surely, 2^21734416675 is an apocalyptic number.

21734416675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21734416675 is a deficient number, since it is larger than the sum of its proper divisors (5387925261).

21734416675 is a wasteful number, since it uses less digits than its factorization.

21734416675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537598 (or 5537593 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The spelling of 21734416675 in words is "twenty-one billion, seven hundred thirty-four million, four hundred sixteen thousand, six hundred seventy-five".