431225152640437 has 16 divisors (see below), whose sum is σ = 454442124222720. Its totient is φ = 408380749920000.

The previous prime is 431225152640417. The next prime is 431225152640461. The reversal of 431225152640437 is 734046251522134.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431225152640437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431225152640407) 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, 80017312 + ... + 85236262.

It is an arithmetic number, because the mean of its divisors is an integer number (28402632763920).

Almost surely, 2^{431225152640437} is an apocalyptic number.

It is an amenable number.

431225152640437 is a deficient number, since it is larger than the sum of its proper divisors (23216971582283).

431225152640437 is a wasteful number, since it uses less digits than its factorization.

431225152640437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254644.

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 431225152640437 in words is "four hundred thirty-one trillion, two hundred twenty-five billion, one hundred fifty-two million, six hundred forty thousand, four hundred thirty-seven".