308397864009 has 32 divisors (see below), whose sum is σ = 431442028800. Its totient is φ = 195577395200.

The previous prime is 308397864001. The next prime is 308397864023. The reversal of 308397864009 is 900468793803.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 308397864009 - 2³ = 308397864001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 308397864009.

It is not an unprimeable number, because it can be changed into a prime (308397864001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10546609 + ... + 10575809.

It is an arithmetic number, because the mean of its divisors is an integer number (13482563400).

Almost surely, 2^308397864009 is an apocalyptic number.

It is an amenable number.

308397864009 is a deficient number, since it is larger than the sum of its proper divisors (123044164791).

308397864009 is a wasteful number, since it uses less digits than its factorization.

308397864009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30065.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 308397864009 in words is "three hundred eight billion, three hundred ninety-seven million, eight hundred sixty-four thousand, nine".