4251545251431 has 32 divisors (see below), whose sum is σ = 6332478451200. Its totient is φ = 2521477278720.

The previous prime is 4251545251427. The next prime is 4251545251439. The reversal of 4251545251431 is 1341525451524.

It is not a de Polignac number, because 4251545251431 - 2² = 4251545251427 is a prime.

It is a super-2 number, since 2×4251545251431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251545251439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4571830 + ... + 5422611.

It is an arithmetic number, because the mean of its divisors is an integer number (197889951600).

Almost surely, 2^{4251545251431} is an apocalyptic number.

4251545251431 is a deficient number, since it is larger than the sum of its proper divisors (2080933199769).

4251545251431 is a wasteful number, since it uses less digits than its factorization.

4251545251431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9994919.

The product of its digits is 480000, while the sum is 42.

The spelling of 4251545251431 in words is "four trillion, two hundred fifty-one billion, five hundred forty-five million, two hundred fifty-one thousand, four hundred thirty-one".