2170349053 has 4 divisors (see below), whose sum is σ = 2170442428. Its totient is φ = 2170255680.

The previous prime is 2170349039. The next prime is 2170349089. The reversal of 2170349053 is 3509430712.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2016638649 + 153710404 = 44907^2 + 12398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170349053 - 2⁵ = 2170349021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170349453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18763 + ... + 68503.

It is an arithmetic number, because the mean of its divisors is an integer number (542610607).

Almost surely, 2^2170349053 is an apocalyptic number.

It is an amenable number.

2170349053 is a deficient number, since it is larger than the sum of its proper divisors (93375).

2170349053 is an equidigital number, since it uses as much as digits as its factorization.

2170349053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93374.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 2170349053 is about 46587.0051945819. The cubic root of 2170349053 is about 1294.7220033055.

Adding to 2170349053 its reverse (3509430712), we get a palindrome (5679779765).

It can be divided in two parts, 21703 and 49053, that added together give a square (70756 = 266²).

The spelling of 2170349053 in words is "two billion, one hundred seventy million, three hundred forty-nine thousand, fifty-three".