309442453322 has 16 divisors (see below), whose sum is σ = 469696336200. Its totient is φ = 152879358720.

The previous prime is 309442453321. The next prime is 309442453337. The reversal of 309442453322 is 223354244903.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 274857984361 + 34584468961 = 524269^2 + 185969^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 309442453322.

It is not an unprimeable number, because it can be changed into a prime (309442453321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323297 + ... + 850532.

Almost surely, 2^309442453322 is an apocalyptic number.

309442453322 is a deficient number, since it is larger than the sum of its proper divisors (160253882878).

309442453322 is a wasteful number, since it uses less digits than its factorization.

309442453322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175401.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 309442453322 in words is "three hundred nine billion, four hundred forty-two million, four hundred fifty-three thousand, three hundred twenty-two".