431666437241 has 32 divisors (see below), whose sum is σ = 487010022912. Its totient is φ = 379625748480.

The previous prime is 431666437229. The next prime is 431666437261. The reversal of 431666437241 is 142734666134.

It is a cyclic number.

It is not a de Polignac number, because 431666437241 - 2³⁴ = 414486568057 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431666437261) 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 31 ways as a sum of consecutive naturals, for example, 124649276 + ... + 124652738.

It is an arithmetic number, because the mean of its divisors is an integer number (15219063216).

Almost surely, 2^431666437241 is an apocalyptic number.

It is an amenable number.

431666437241 is a deficient number, since it is larger than the sum of its proper divisors (55343585671).

431666437241 is a wasteful number, since it uses less digits than its factorization.

431666437241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033.

The product of its digits is 1741824, while the sum is 47.

The spelling of 431666437241 in words is "four hundred thirty-one billion, six hundred sixty-six million, four hundred thirty-seven thousand, two hundred forty-one".