16974809338 has 8 divisors (see below), whose sum is σ = 25527670740. Its totient is φ = 8465585760.

The previous prime is 16974809329. The next prime is 16974809353. The reversal of 16974809338 is 83390847961.

It can be written as a sum of positive squares in 2 ways, for example, as 16972096729 + 2712609 = 130277^2 + 1647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16974809338² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10908483 + ... + 10910038.

Almost surely, 2^16974809338 is an apocalyptic number.

16974809338 is a deficient number, since it is larger than the sum of its proper divisors (8552861402).

16974809338 is a wasteful number, since it uses less digits than its factorization.

16974809338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21818912.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 16974809338 in words is "sixteen billion, nine hundred seventy-four million, eight hundred nine thousand, three hundred thirty-eight".