390307580769 has 32 divisors (see below), whose sum is σ = 593512634880. Its totient is φ = 226613866752.

The previous prime is 390307580749. The next prime is 390307580779. The reversal of 390307580769 is 967085703093.

It is not a de Polignac number, because 390307580769 - 2¹⁶ = 390307515233 is a prime.

It is a super-2 number, since 2×390307580769² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (390307580749) 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, 4641987 + ... + 4725320.

It is an arithmetic number, because the mean of its divisors is an integer number (18547269840).

Almost surely, 2^390307580769 is an apocalyptic number.

It is an amenable number.

390307580769 is a deficient number, since it is larger than the sum of its proper divisors (203205054111).

390307580769 is a wasteful number, since it uses less digits than its factorization.

390307580769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367389.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 390307580769 in words is "three hundred ninety billion, three hundred seven million, five hundred eighty thousand, seven hundred sixty-nine".