5274899921 has 2 divisors, whose sum is σ = 5274899922. Its totient is φ = 5274899920.

The previous prime is 5274899899. The next prime is 5274899933. The reversal of 5274899921 is 1299984725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4711312321 + 563587600 = 68639^2 + 23740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5274899921 is a prime.

It is not a weakly prime, because it can be changed into another prime (5274899951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2637449960 + 2637449961.

It is an arithmetic number, because the mean of its divisors is an integer number (2637449961).

Almost surely, 2^5274899921 is an apocalyptic number.

It is an amenable number.

5274899921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5274899921 is an equidigital number, since it uses as much as digits as its factorization.

5274899921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 56.

The square root of 5274899921 is about 72628.5062561526. The cubic root of 5274899921 is about 1740.7566974547.

The spelling of 5274899921 in words is "five billion, two hundred seventy-four million, eight hundred ninety-nine thousand, nine hundred twenty-one".