21790714313401 has 4 divisors (see below), whose sum is σ = 23771688341904. Its totient is φ = 19809740284900.

The previous prime is 21790714313393. The next prime is 21790714313437. The reversal of 21790714313401 is 10431341709712.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21790714313401 - 2³ = 21790714313393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21790714313461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990487014235 + ... + 990487014256.

It is an arithmetic number, because the mean of its divisors is an integer number (5942922085476).

Almost surely, 2^{21790714313401} is an apocalyptic number.

It is an amenable number.

21790714313401 is a deficient number, since it is larger than the sum of its proper divisors (1980974028503).

21790714313401 is a wasteful number, since it uses less digits than its factorization.

21790714313401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980974028502.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 21790714313401 in words is "twenty-one trillion, seven hundred ninety billion, seven hundred fourteen million, three hundred thirteen thousand, four hundred one".