2152049770 has 16 divisors (see below), whose sum is σ = 4171665960. Its totient is φ = 794602944.

The previous prime is 2152049749. The next prime is 2152049773. The reversal of 2152049770 is 779402512.

It can be written as a sum of positive squares in 4 ways, for example, as 564585121 + 1587464649 = 23761^2 + 39843^2 .

It is not an unprimeable number, because it can be changed into a prime (2152049773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8276985 + ... + 8277244.

Almost surely, 2^2152049770 is an apocalyptic number.

2152049770 is a deficient number, since it is larger than the sum of its proper divisors (2019616190).

2152049770 is a wasteful number, since it uses less digits than its factorization.

2152049770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16554249.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 2152049770 is about 46390.1904501372. The cubic root of 2152049770 is about 1291.0729150546.

The spelling of 2152049770 in words is "two billion, one hundred fifty-two million, forty-nine thousand, seven hundred seventy".