7838319933 has 12 divisors (see below), whose sum is σ = 11329300320. Its totient is φ = 5222185416.

The previous prime is 7838319913. The next prime is 7838319941. The reversal of 7838319933 is 3399138387.

It is a happy number.

7838319933 is a `hidden beast` number, since 78 + 383 + 199 + 3 + 3 = 666.

It is not a de Polignac number, because 7838319933 - 2⁵ = 7838319901 is a prime.

It is a super-2 number, since 2×7838319933² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7838319933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7838319913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265291 + ... + 293352.

It is an arithmetic number, because the mean of its divisors is an integer number (944108360).

Almost surely, 2^7838319933 is an apocalyptic number.

It is an amenable number.

7838319933 is a deficient number, since it is larger than the sum of its proper divisors (3490980387).

7838319933 is a wasteful number, since it uses less digits than its factorization.

7838319933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560208 (or 560205 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 7838319933 is about 88534.2867650720. The cubic root of 7838319933 is about 1986.4348626207.

The spelling of 7838319933 in words is "seven billion, eight hundred thirty-eight million, three hundred nineteen thousand, nine hundred thirty-three".