2862001921 has 2 divisors, whose sum is σ = 2862001922. Its totient is φ = 2862001920.

The previous prime is 2862001903. The next prime is 2862001927. The reversal of 2862001921 is 1291002682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2818441921 + 43560000 = 53089^2 + 6600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2862001921 - 2⁵ = 2862001889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2862001927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431000960 + 1431000961.

It is an arithmetic number, because the mean of its divisors is an integer number (1431000961).

Almost surely, 2^2862001921 is an apocalyptic number.

It is an amenable number.

2862001921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2862001921 is an equidigital number, since it uses as much as digits as its factorization.

2862001921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2862001921 is about 53497.6814544331. The cubic root of 2862001921 is about 1419.7873650069.

The spelling of 2862001921 in words is "two billion, eight hundred sixty-two million, one thousand, nine hundred twenty-one".