309463078794 has 32 divisors (see below), whose sum is σ = 620324939520. Its totient is φ = 102921495552.

The previous prime is 309463078783. The next prime is 309463078801. The reversal of 309463078794 is 497870364903.

309463078794 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×309463078794² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4744527 + ... + 4809309.

It is an arithmetic number, because the mean of its divisors is an integer number (19385154360).

Almost surely, 2^309463078794 is an apocalyptic number.

309463078794 is an abundant number, since it is smaller than the sum of its proper divisors (310861860726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

309463078794 is a wasteful number, since it uses less digits than its factorization.

309463078794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66574.

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 309463078794 in words is "three hundred nine billion, four hundred sixty-three million, seventy-eight thousand, seven hundred ninety-four".