2874299921 has 2 divisors, whose sum is σ = 2874299922. Its totient is φ = 2874299920.

The previous prime is 2874299863. The next prime is 2874299927. The reversal of 2874299921 is 1299924782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2533712896 + 340587025 = 50336^2 + 18455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2874299921 - 2¹⁰ = 2874298897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2874299927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437149960 + 1437149961.

It is an arithmetic number, because the mean of its divisors is an integer number (1437149961).

Almost surely, 2^2874299921 is an apocalyptic number.

It is an amenable number.

2874299921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2874299921 is an equidigital number, since it uses as much as digits as its factorization.

2874299921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The square root of 2874299921 is about 53612.4978060153. The cubic root of 2874299921 is about 1421.8180642345.

The spelling of 2874299921 in words is "two billion, eight hundred seventy-four million, two hundred ninety-nine thousand, nine hundred twenty-one".