5842511921 has 2 divisors, whose sum is σ = 5842511922. Its totient is φ = 5842511920.

The previous prime is 5842511903. The next prime is 5842511947. The reversal of 5842511921 is 1291152485.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4133847025 + 1708664896 = 64295^2 + 41336^2 .

It is a cyclic number.

It is not a de Polignac number, because 5842511921 - 2¹⁴ = 5842495537 is a prime.

It is a super-2 number, since 2×5842511921² = 68269891094054220482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5842511981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2921255960 + 2921255961.

It is an arithmetic number, because the mean of its divisors is an integer number (2921255961).

Almost surely, 2^5842511921 is an apocalyptic number.

It is an amenable number.

5842511921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5842511921 is an equidigital number, since it uses as much as digits as its factorization.

5842511921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 38.

The square root of 5842511921 is about 76436.3259255702. The cubic root of 5842511921 is about 1801.0808242346.

The spelling of 5842511921 in words is "five billion, eight hundred forty-two million, five hundred eleven thousand, nine hundred twenty-one".