2102851456 has 16 divisors (see below), whose sum is σ = 4189274640. Its totient is φ = 1051425664.

The previous prime is 2102851441. The next prime is 2102851477. The reversal of 2102851456 is 6541582012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8214136 + ... + 8214391.

It is an arithmetic number, because the mean of its divisors is an integer number (261829665).

Almost surely, 2^2102851456 is an apocalyptic number.

It is an amenable number.

2102851456 is a deficient number, since it is larger than the sum of its proper divisors (2086423184).

2102851456 is an equidigital number, since it uses as much as digits as its factorization.

2102851456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16428541 (or 16428529 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2102851456 is about 45856.8583311155. The cubic root of 2102851456 is about 1281.1585084271.

The spelling of 2102851456 in words is "two billion, one hundred two million, eight hundred fifty-one thousand, four hundred fifty-six".