2854921889 has 2 divisors, whose sum is σ = 2854921890. Its totient is φ = 2854921888.

The previous prime is 2854921879. The next prime is 2854921957. The reversal of 2854921889 is 9881294582.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2789635489 + 65286400 = 52817^2 + 8080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2854921889 - 2⁴ = 2854921873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2854921879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427460944 + 1427460945.

It is an arithmetic number, because the mean of its divisors is an integer number (1427460945).

Almost surely, 2^2854921889 is an apocalyptic number.

It is an amenable number.

2854921889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2854921889 is an equidigital number, since it uses as much as digits as its factorization.

2854921889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3317760, while the sum is 56.

The square root of 2854921889 is about 53431.4690889180. The cubic root of 2854921889 is about 1418.6156396815.

The spelling of 2854921889 in words is "two billion, eight hundred fifty-four million, nine hundred twenty-one thousand, eight hundred eighty-nine".