431285455149 has 16 divisors (see below), whose sum is σ = 582416554944. Its totient is φ = 283844246400.

The previous prime is 431285455127. The next prime is 431285455193. The reversal of 431285455149 is 941554582134.

It is not a de Polignac number, because 431285455149 - 2¹³ = 431285446957 is a prime.

It is a super-2 number, since 2×431285455149² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431285450149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326662 + ... + 984519.

It is an arithmetic number, because the mean of its divisors is an integer number (36401034684).

Almost surely, 2^431285455149 is an apocalyptic number.

It is an amenable number.

431285455149 is a deficient number, since it is larger than the sum of its proper divisors (151131099795).

431285455149 is a wasteful number, since it uses less digits than its factorization.

431285455149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312588.

The product of its digits is 3456000, while the sum is 51.

The spelling of 431285455149 in words is "four hundred thirty-one billion, two hundred eighty-five million, four hundred fifty-five thousand, one hundred forty-nine".