306542668705 has 24 divisors (see below), whose sum is σ = 455227532352. Its totient is φ = 194031399744.

The previous prime is 306542668693. The next prime is 306542668709. The reversal of 306542668705 is 507866245603.

It is not a de Polignac number, because 306542668705 - 2⁹ = 306542668193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306542668709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25906399 + ... + 25918228.

It is an arithmetic number, because the mean of its divisors is an integer number (18967813848).

Almost surely, 2^306542668705 is an apocalyptic number.

306542668705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

306542668705 is a deficient number, since it is larger than the sum of its proper divisors (148684863647).

306542668705 is a wasteful number, since it uses less digits than its factorization.

306542668705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51824665 (or 51824652 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 306542668705 in words is "three hundred six billion, five hundred forty-two million, six hundred sixty-eight thousand, seven hundred five".