431025656447 has 2 divisors, whose sum is σ = 431025656448. Its totient is φ = 431025656446.

The previous prime is 431025656429. The next prime is 431025656471. The reversal of 431025656447 is 744656520134.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431025656447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431025656407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215512828223 + 215512828224.

It is an arithmetic number, because the mean of its divisors is an integer number (215512828224).

Almost surely, 2^431025656447 is an apocalyptic number.

431025656447 is a deficient number, since it is larger than the sum of its proper divisors (1).

431025656447 is an equidigital number, since it uses as much as digits as its factorization.

431025656447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 431025656447 in words is "four hundred thirty-one billion, twenty-five million, six hundred fifty-six thousand, four hundred forty-seven".