431243534650 has 12 divisors (see below), whose sum is σ = 802112974542. Its totient is φ = 172497413840.

The previous prime is 431243534647. The next prime is 431243534651. The reversal of 431243534650 is 56435342134.

It can be written as a sum of positive squares in 3 ways, for example, as 286480787121 + 144762747529 = 535239^2 + 380477^2 .

It is not an unprimeable number, because it can be changed into a prime (431243534651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4312435297 + ... + 4312435396.

Almost surely, 2^431243534650 is an apocalyptic number.

431243534650 is a deficient number, since it is larger than the sum of its proper divisors (370869439892).

431243534650 is a wasteful number, since it uses less digits than its factorization.

431243534650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624870705 (or 8624870700 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 431243534650 its reverse (56435342134), we get a palindrome (487678876784).

The spelling of 431243534650 in words is "four hundred thirty-one billion, two hundred forty-three million, five hundred thirty-four thousand, six hundred fifty".