2139625210 has 16 divisors (see below), whose sum is σ = 3852150696. Its totient is φ = 855666688.

The previous prime is 2139625199. The next prime is 2139625223. The reversal of 2139625210 is 125269312.

It can be written as a sum of positive squares in 4 ways, for example, as 1819107801 + 320517409 = 42651^2 + 17903^2 .

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, 32442 + ... + 73018.

Almost surely, 2^2139625210 is an apocalyptic number.

2139625210 is a deficient number, since it is larger than the sum of its proper divisors (1712525486).

2139625210 is a wasteful number, since it uses less digits than its factorization.

2139625210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45857.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2139625210 is about 46256.0829513265. The cubic root of 2139625210 is about 1288.5835081794.

The spelling of 2139625210 in words is "two billion, one hundred thirty-nine million, six hundred twenty-five thousand, two hundred ten".