5684492921 has 2 divisors, whose sum is σ = 5684492922. Its totient is φ = 5684492920.

The previous prime is 5684492893. The next prime is 5684492927. The reversal of 5684492921 is 1292944865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4824830521 + 859662400 = 69461^2 + 29320^2 .

It is a cyclic number.

It is not a de Polignac number, because 5684492921 - 2⁶ = 5684492857 is a prime.

It is a super-2 number, since 2×5684492921² = 64626919537798224482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5684492921.

It is not a weakly prime, because it can be changed into another prime (5684492927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842246460 + 2842246461.

It is an arithmetic number, because the mean of its divisors is an integer number (2842246461).

Almost surely, 2^5684492921 is an apocalyptic number.

It is an amenable number.

5684492921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5684492921 is an equidigital number, since it uses as much as digits as its factorization.

5684492921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The square root of 5684492921 is about 75395.5762694337. The cubic root of 5684492921 is about 1784.6946016658.

The spelling of 5684492921 in words is "five billion, six hundred eighty-four million, four hundred ninety-two thousand, nine hundred twenty-one".