21514445223399 has 12 divisors (see below), whose sum is σ = 31079311041376. Its totient is φ = 14341629560832.

The previous prime is 21514445223367. The next prime is 21514445223433. The reversal of 21514445223399 is 99332254441512.

21514445223399 is a `hidden beast` number, since 2 + 1 + 514 + 4 + 4 + 5 + 2 + 2 + 33 + 99 = 666.

It is not a de Polignac number, because 21514445223399 - 2⁵ = 21514445223367 is a prime.

It is a super-2 number, since 2×21514445223399² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21514445203399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111057967 + ... + 111251520.

Almost surely, 2^{21514445223399} is an apocalyptic number.

21514445223399 is a deficient number, since it is larger than the sum of its proper divisors (9564865817977).

21514445223399 is a wasteful number, since it uses less digits than its factorization.

21514445223399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222320246 (or 222320243 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 21514445223399 in words is "twenty-one trillion, five hundred fourteen billion, four hundred forty-five million, two hundred twenty-three thousand, three hundred ninety-nine".