2859952921 has 4 divisors (see below), whose sum is σ = 3268517632. Its totient is φ = 2451388212.

The previous prime is 2859952897. The next prime is 2859952973. The reversal of 2859952921 is 1292599582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2859952921 - 2⁵ = 2859952889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2859950921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204282345 + ... + 204282358.

It is an arithmetic number, because the mean of its divisors is an integer number (817129408).

Almost surely, 2^2859952921 is an apocalyptic number.

It is an amenable number.

2859952921 is a deficient number, since it is larger than the sum of its proper divisors (408564711).

2859952921 is an equidigital number, since it uses as much as digits as its factorization.

2859952921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408564710.

The product of its digits is 1166400, while the sum is 52.

The square root of 2859952921 is about 53478.5276629789. The cubic root of 2859952921 is about 1419.4484601752.

The spelling of 2859952921 in words is "two billion, eight hundred fifty-nine million, nine hundred fifty-two thousand, nine hundred twenty-one".