5840921691 has 32 divisors (see below), whose sum is σ = 9850314240. Its totient is φ = 3386037600.

The previous prime is 5840921687. The next prime is 5840921741. The reversal of 5840921691 is 1961290485.

5840921691 is a `hidden beast` number, since 584 + 0 + 9 + 2 + 1 + 69 + 1 = 666.

It is not a de Polignac number, because 5840921691 - 2² = 5840921687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5840929691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420700 + ... + 434361.

It is an arithmetic number, because the mean of its divisors is an integer number (307822320).

Almost surely, 2^5840921691 is an apocalyptic number.

5840921691 is a deficient number, since it is larger than the sum of its proper divisors (4009392549).

5840921691 is a wasteful number, since it uses less digits than its factorization.

5840921691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855104 (or 855098 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 5840921691 is about 76425.9228992362. The cubic root of 5840921691 is about 1800.9174017950.

The spelling of 5840921691 in words is "five billion, eight hundred forty million, nine hundred twenty-one thousand, six hundred ninety-one".