2171033953 has 16 divisors (see below), whose sum is σ = 2404684800. Its totient is φ = 1943499600.

The previous prime is 2171033951. The next prime is 2171033957. The reversal of 2171033953 is 3593301712.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2171033953 - 2¹ = 2171033951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2171033951) 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, 1091626 + ... + 1093612.

It is an arithmetic number, because the mean of its divisors is an integer number (150292800).

Almost surely, 2^2171033953 is an apocalyptic number.

It is an amenable number.

2171033953 is a deficient number, since it is larger than the sum of its proper divisors (233650847).

2171033953 is a wasteful number, since it uses less digits than its factorization.

2171033953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 2171033953 is about 46594.3553770197. The cubic root of 2171033953 is about 1294.8581813759.

The spelling of 2171033953 in words is "two billion, one hundred seventy-one million, thirty-three thousand, nine hundred fifty-three".