3917161233 has 12 divisors (see below), whose sum is σ = 5990952708. Its totient is φ = 2457826560.

The previous prime is 3917161141. The next prime is 3917161247. The reversal of 3917161233 is 3321617193.

3917161233 is a `hidden beast` number, since 3 + 9 + 1 + 7 + 1 + 612 + 33 = 666.

3917161233 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1443392064 + 2473769169 = 37992^2 + 49737^2 .

It is not a de Polignac number, because 3917161233 - 2⁹ = 3917160721 is a prime.

It is a super-4 number, since 4×3917161233⁴ (a number of 39 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3917161253) 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, 12801028 + ... + 12801333.

It is an arithmetic number, because the mean of its divisors is an integer number (499246059).

Almost surely, 2^3917161233 is an apocalyptic number.

It is an amenable number.

3917161233 is a deficient number, since it is larger than the sum of its proper divisors (2073791475).

3917161233 is a wasteful number, since it uses less digits than its factorization.

3917161233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25602384 (or 25602381 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3917161233 is about 62587.2289928225. The cubic root of 3917161233 is about 1576.3663269789.

The spelling of 3917161233 in words is "three billion, nine hundred seventeen million, one hundred sixty-one thousand, two hundred thirty-three".