13572357440073 has 4 divisors (see below), whose sum is σ = 18096476586768. Its totient is φ = 9048238293380.

The previous prime is 13572357440063. The next prime is 13572357440087. The reversal of 13572357440073 is 37004475327531.

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 13572357440073 - 2⁶ = 13572357440009 is a prime.

It is a super-2 number, since 2×13572357440073² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13572357439998 and 13572357440025.

It is not an unprimeable number, because it can be changed into a prime (13572357440023) 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, 2262059573343 + ... + 2262059573348.

It is an arithmetic number, because the mean of its divisors is an integer number (4524119146692).

Almost surely, 2^{13572357440073} is an apocalyptic number.

It is an amenable number.

13572357440073 is a deficient number, since it is larger than the sum of its proper divisors (4524119146695).

13572357440073 is an equidigital number, since it uses as much as digits as its factorization.

13572357440073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524119146694.

The product of its (nonzero) digits is 7408800, while the sum is 51.

The spelling of 13572357440073 in words is "thirteen trillion, five hundred seventy-two billion, three hundred fifty-seven million, four hundred forty thousand, seventy-three".