2045657119 has 4 divisors (see below), whose sum is σ = 2231625960. Its totient is φ = 1859688280.

The previous prime is 2045657101. The next prime is 2045657197. The reversal of 2045657119 is 9117565402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2045657119 - 2⁵ = 2045657087 is a prime.

It is a super-2 number, since 2×2045657119² = 8369426097030760322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045657219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92984404 + ... + 92984425.

It is an arithmetic number, because the mean of its divisors is an integer number (557906490).

Almost surely, 2^2045657119 is an apocalyptic number.

2045657119 is a deficient number, since it is larger than the sum of its proper divisors (185968841).

2045657119 is a wasteful number, since it uses less digits than its factorization.

2045657119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185968840.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 2045657119 is about 45228.9411660278. The cubic root of 2045657119 is about 1269.4364000562.

The spelling of 2045657119 in words is "two billion, forty-five million, six hundred fifty-seven thousand, one hundred nineteen".