7938133316 has 6 divisors (see below), whose sum is σ = 13891733310. Its totient is φ = 3969066656.

The previous prime is 7938133309. The next prime is 7938133319. The reversal of 7938133316 is 6133318397.

It can be written as a sum of positive squares in only one way, i.e., 7938097216 + 36100 = 89096^2 + 190^2 .

It is not an unprimeable number, because it can be changed into a prime (7938133319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992266661 + ... + 992266668.

It is an arithmetic number, because the mean of its divisors is an integer number (2315288885).

Almost surely, 2^7938133316 is an apocalyptic number.

It is an amenable number.

7938133316 is a deficient number, since it is larger than the sum of its proper divisors (5953599994).

7938133316 is a wasteful number, since it uses less digits than its factorization.

7938133316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984533333 (or 1984533331 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 7938133316 is about 89096.2025902339. The cubic root of 7938133316 is about 1994.8310957227.

The spelling of 7938133316 in words is "seven billion, nine hundred thirty-eight million, one hundred thirty-three thousand, three hundred sixteen".