309483093572 has 6 divisors (see below), whose sum is σ = 541595413758. Its totient is φ = 154741546784.

The previous prime is 309483093547. The next prime is 309483093613. The reversal of 309483093572 is 275390384903.

It can be written as a sum of positive squares in only one way, i.e., 188951918596 + 120531174976 = 434686^2 + 347176^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38685386693 + ... + 38685386700.

It is an arithmetic number, because the mean of its divisors is an integer number (90265902293).

Almost surely, 2^309483093572 is an apocalyptic number.

It is an amenable number.

309483093572 is a deficient number, since it is larger than the sum of its proper divisors (232112320186).

309483093572 is a wasteful number, since it uses less digits than its factorization.

309483093572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77370773397 (or 77370773395 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 53.

The spelling of 309483093572 in words is "three hundred nine billion, four hundred eighty-three million, ninety-three thousand, five hundred seventy-two".