2156098250 has 16 divisors (see below), whose sum is σ = 4036216392. Its totient is φ = 862439200.

The previous prime is 2156098199. The next prime is 2156098313. The reversal of 2156098250 is 528906512.

It can be written as a sum of positive squares in 4 ways, for example, as 1354019209 + 802079041 = 36797^2 + 28321^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4311947 + ... + 4312446.

Almost surely, 2^2156098250 is an apocalyptic number.

2156098250 is a deficient number, since it is larger than the sum of its proper divisors (1880118142).

2156098250 is an equidigital number, since it uses as much as digits as its factorization.

2156098250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624410 (or 8624400 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 2156098250 is about 46433.8050346943. The cubic root of 2156098250 is about 1291.8820054901.

The spelling of 2156098250 in words is "two billion, one hundred fifty-six million, ninety-eight thousand, two hundred fifty".