431338296545 has 16 divisors (see below), whose sum is σ = 560972269200. Its totient is φ = 316497901824.

The previous prime is 431338296539. The next prime is 431338296547. The reversal of 431338296545 is 545692833134.

It can be written as a sum of positive squares in 8 ways, for example, as 116985204961 + 314353091584 = 342031^2 + 560672^2 .

It is not a de Polignac number, because 431338296545 - 2⁸ = 431338296289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431338296547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21123470 + ... + 21143879.

It is an arithmetic number, because the mean of its divisors is an integer number (35060766825).

Almost surely, 2^431338296545 is an apocalyptic number.

It is an amenable number.

431338296545 is a deficient number, since it is larger than the sum of its proper divisors (129633972655).

431338296545 is a wasteful number, since it uses less digits than its factorization.

431338296545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42267524.

The product of its digits is 9331200, while the sum is 53.

The spelling of 431338296545 in words is "four hundred thirty-one billion, three hundred thirty-eight million, two hundred ninety-six thousand, five hundred forty-five".