309341794724 has 12 divisors (see below), whose sum is σ = 541352040348. Its totient is φ = 154669783200.

The previous prime is 309341794721. The next prime is 309341794733. The reversal of 309341794724 is 427497143903.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63999892324 + 245341902400 = 252982^2 + 495320^2 .

It is not an unprimeable number, because it can be changed into a prime (309341794721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903794 + ... + 1198134.

It is an arithmetic number, because the mean of its divisors is an integer number (45112670029).

Almost surely, 2^309341794724 is an apocalyptic number.

It is an amenable number.

309341794724 is a deficient number, since it is larger than the sum of its proper divisors (232010245624).

309341794724 is a wasteful number, since it uses less digits than its factorization.

309341794724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557086 (or 557084 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 309341794724 in words is "three hundred nine billion, three hundred forty-one million, seven hundred ninety-four thousand, seven hundred twenty-four".