431353252506 has 16 divisors (see below), whose sum is σ = 941134369248. Its totient is φ = 130713106800.

The previous prime is 431353252471. The next prime is 431353252507. The reversal of 431353252506 is 605252353134.

It is not an unprimeable number, because it can be changed into a prime (431353252507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3267827605 + ... + 3267827736.

It is an arithmetic number, because the mean of its divisors is an integer number (58820898078).

Almost surely, 2^431353252506 is an apocalyptic number.

431353252506 is an abundant number, since it is smaller than the sum of its proper divisors (509781116742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431353252506 is a wasteful number, since it uses less digits than its factorization.

431353252506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535655357.

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 431353252506 in words is "four hundred thirty-one billion, three hundred fifty-three million, two hundred fifty-two thousand, five hundred six".