7057349938 has 16 divisors (see below), whose sum is σ = 10832897880. Its totient is φ = 3446966016.

The previous prime is 7057349903. The next prime is 7057349947. The reversal of 7057349938 is 8399437507.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6555007369 + 502342569 = 80963^2 + 22413^2 .

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, 121095 + ... + 169642.

Almost surely, 2^7057349938 is an apocalyptic number.

7057349938 is a deficient number, since it is larger than the sum of its proper divisors (3775547942).

7057349938 is a wasteful number, since it uses less digits than its factorization.

7057349938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291021.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The square root of 7057349938 is about 84008.0349609488. The cubic root of 7057349938 is about 1918.1410988739.

The spelling of 7057349938 in words is "seven billion, fifty-seven million, three hundred forty-nine thousand, nine hundred thirty-eight".