454442425531 has 4 divisors (see below), whose sum is σ = 454453790200. Its totient is φ = 454431060864.

The previous prime is 454442425513. The next prime is 454442425561. The reversal of 454442425531 is 135524244454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135524244454 = 2 ⋅67762122227.

It is a cyclic number.

It is not a de Polignac number, because 454442425531 - 2⁷ = 454442425403 is a prime.

It is a super-2 number, since 2×454442425531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454442425501) 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, 5622141 + ... + 5702398.

It is an arithmetic number, because the mean of its divisors is an integer number (113613447550).

Almost surely, 2^454442425531 is an apocalyptic number.

454442425531 is a deficient number, since it is larger than the sum of its proper divisors (11364669).

454442425531 is a wasteful number, since it uses less digits than its factorization.

454442425531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11364668.

The product of its digits is 1536000, while the sum is 43.

Adding to 454442425531 its reverse (135524244454), we get a palindrome (589966669985).

The spelling of 454442425531 in words is "four hundred fifty-four billion, four hundred forty-two million, four hundred twenty-five thousand, five hundred thirty-one".