21313502654401 has 32 divisors (see below), whose sum is σ = 22142968952832. Its totient is φ = 20503303941120.

The previous prime is 21313502654363. The next prime is 21313502654413. The reversal of 21313502654401 is 10445620531312.

It is a cyclic number.

It is not a de Polignac number, because 21313502654401 - 2⁹ = 21313502653889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21313502654701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 850045401 + ... + 850070473.

It is an arithmetic number, because the mean of its divisors is an integer number (691967779776).

Almost surely, 2^{21313502654401} is an apocalyptic number.

It is an amenable number.

21313502654401 is a deficient number, since it is larger than the sum of its proper divisors (829466298431).

21313502654401 is a wasteful number, since it uses less digits than its factorization.

21313502654401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26433.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 21313502654401 in words is "twenty-one trillion, three hundred thirteen billion, five hundred two million, six hundred fifty-four thousand, four hundred one".