431464448247 has 48 divisors (see below), whose sum is σ = 675780268032. Its totient is φ = 244132721280.

The previous prime is 431464448227. The next prime is 431464448269. The reversal of 431464448247 is 742844464134.

It is not a de Polignac number, because 431464448247 - 2¹¹ = 431464446199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431464448247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431464448227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42667722 + ... + 42677832.

It is an arithmetic number, because the mean of its divisors is an integer number (14078755584).

Almost surely, 2^431464448247 is an apocalyptic number.

431464448247 is a deficient number, since it is larger than the sum of its proper divisors (244315819785).

431464448247 is a wasteful number, since it uses less digits than its factorization.

431464448247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12948 (or 12941 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 51.

The spelling of 431464448247 in words is "four hundred thirty-one billion, four hundred sixty-four million, four hundred forty-eight thousand, two hundred forty-seven".