2251507622473 has 4 divisors (see below), whose sum is σ = 2280007719040. Its totient is φ = 2223007525908.

The previous prime is 2251507622449. The next prime is 2251507622479. The reversal of 2251507622473 is 3742267051522.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-2251507622473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251507622479) 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, 14250048165 + ... + 14250048322.

It is an arithmetic number, because the mean of its divisors is an integer number (570001929760).

Almost surely, 2^{2251507622473} is an apocalyptic number.

It is an amenable number.

2251507622473 is a deficient number, since it is larger than the sum of its proper divisors (28500096567).

2251507622473 is an equidigital number, since it uses as much as digits as its factorization.

2251507622473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28500096566.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 2251507622473 in words is "two trillion, two hundred fifty-one billion, five hundred seven million, six hundred twenty-two thousand, four hundred seventy-three".