2170949037 has 16 divisors (see below), whose sum is σ = 2941868160. Its totient is φ = 1423755200.

The previous prime is 2170949029. The next prime is 2170949051. The reversal of 2170949037 is 7309490712.

It is a cyclic number.

It is not a de Polignac number, because 2170949037 - 2³ = 2170949029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2170949037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170949537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87139 + ... + 109247.

It is an arithmetic number, because the mean of its divisors is an integer number (183866760).

Almost surely, 2^2170949037 is an apocalyptic number.

It is an amenable number.

2170949037 is a deficient number, since it is larger than the sum of its proper divisors (770919123).

2170949037 is a wasteful number, since it uses less digits than its factorization.

2170949037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22644.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 2170949037 is about 46593.4441418533. Note that the first 3 decimals coincide. The cubic root of 2170949037 is about 1294.8412991570.

The spelling of 2170949037 in words is "two billion, one hundred seventy million, nine hundred forty-nine thousand, thirty-seven".