285465951647 has 2 divisors, whose sum is σ = 285465951648. Its totient is φ = 285465951646.

The previous prime is 285465951637. The next prime is 285465951733. The reversal of 285465951647 is 746159564582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285465951647 - 2²⁶ = 285398842783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285465951647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285465951637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142732975823 + 142732975824.

It is an arithmetic number, because the mean of its divisors is an integer number (142732975824).

Almost surely, 2^285465951647 is an apocalyptic number.

285465951647 is a deficient number, since it is larger than the sum of its proper divisors (1).

285465951647 is an equidigital number, since it uses as much as digits as its factorization.

285465951647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576000, while the sum is 62.

The spelling of 285465951647 in words is "two hundred eighty-five billion, four hundred sixty-five million, nine hundred fifty-one thousand, six hundred forty-seven".