21419314375 has 20 divisors (see below), whose sum is σ = 27629005888. Its totient is φ = 16582680000.

The previous prime is 21419314369. The next prime is 21419314379. The reversal of 21419314375 is 57341391412.

It is not a de Polignac number, because 21419314375 - 2¹⁵ = 21419281607 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21419314379) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 533382 + ... + 572131.

Almost surely, 2^21419314375 is an apocalyptic number.

21419314375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21419314375 is a deficient number, since it is larger than the sum of its proper divisors (6209691513).

21419314375 is an equidigital number, since it uses as much as digits as its factorization.

21419314375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105564 (or 1105549 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 21419314375 in words is "twenty-one billion, four hundred nineteen million, three hundred fourteen thousand, three hundred seventy-five".