3450979138 has 4 divisors (see below), whose sum is σ = 5176468710. Its totient is φ = 1725489568.

The previous prime is 3450979121. The next prime is 3450979187. The reversal of 3450979138 is 8319790543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3423069049 + 27910089 = 58507^2 + 5283^2 .

It is a super-2 number, since 2×3450979138² = 23818514021822446088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3450979091 and 3450979100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862744783 + ... + 862744786.

Almost surely, 2^3450979138 is an apocalyptic number.

3450979138 is a deficient number, since it is larger than the sum of its proper divisors (1725489572).

3450979138 is a wasteful number, since it uses less digits than its factorization.

3450979138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725489571.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 3450979138 is about 58745.0350072242. The cubic root of 3450979138 is about 1511.1727418639.

The spelling of 3450979138 in words is "three billion, four hundred fifty million, nine hundred seventy-nine thousand, one hundred thirty-eight".