342249570442 has 16 divisors (see below), whose sum is σ = 553644501480. Its totient is φ = 157738537152.

The previous prime is 342249570431. The next prime is 342249570479. The reversal of 342249570442 is 244075942243.

It is a Cunningham number, because it is equal to 585021²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 165428479441 + 176821091001 = 406729^2 + 420501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 342249570392 and 342249570401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9264673 + ... + 9301540.

Almost surely, 2^342249570442 is an apocalyptic number.

342249570442 is a deficient number, since it is larger than the sum of its proper divisors (211394931038).

342249570442 is a wasteful number, since it uses less digits than its factorization.

342249570442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18566937.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 342249570442 in words is "three hundred forty-two billion, two hundred forty-nine million, five hundred seventy thousand, four hundred forty-two".