431467643401 has 2 divisors, whose sum is σ = 431467643402. Its totient is φ = 431467643400.

The previous prime is 431467643357. The next prime is 431467643459. The reversal of 431467643401 is 104346764134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243788075001 + 187679568400 = 493749^2 + 433220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431467643401 is a prime.

It is not a weakly prime, because it can be changed into another prime (431467653401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215733821700 + 215733821701.

It is an arithmetic number, because the mean of its divisors is an integer number (215733821701).

Almost surely, 2^431467643401 is an apocalyptic number.

It is an amenable number.

431467643401 is a deficient number, since it is larger than the sum of its proper divisors (1).

431467643401 is an equidigital number, since it uses as much as digits as its factorization.

431467643401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 431467643401 in words is "four hundred thirty-one billion, four hundred sixty-seven million, six hundred forty-three thousand, four hundred one".