3138799658 has 16 divisors (see below), whose sum is σ = 5247529920. Its totient is φ = 1399340736.

The previous prime is 3138799633. The next prime is 3138799661. The reversal of 3138799658 is 8569978313.

It is a junction number, because it is equal to n+sod(n) for n = 3138799597 and 3138799606.

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, 2428766 + ... + 2430057.

It is an arithmetic number, because the mean of its divisors is an integer number (327970620).

Almost surely, 2^3138799658 is an apocalyptic number.

3138799658 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3138799658 is a deficient number, since it is larger than the sum of its proper divisors (2108730262).

3138799658 is a wasteful number, since it uses less digits than its factorization.

3138799658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858861.

The product of its digits is 9797760, while the sum is 59.

The square root of 3138799658 is about 56024.9913699235. The cubic root of 3138799658 is about 1464.1577328757.

The spelling of 3138799658 in words is "three billion, one hundred thirty-eight million, seven hundred ninety-nine thousand, six hundred fifty-eight".