1653195379 has 16 divisors (see below), whose sum is σ = 1922421600. Its totient is φ = 1404981760.

The previous prime is 1653195367. The next prime is 1653195407. The reversal of 1653195379 is 9735913561.

It is a cyclic number.

It is not a de Polignac number, because 1653195379 - 2⁹ = 1653194867 is a prime.

It is a super-2 number, since 2×1653195379² = 5466109922293907282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1653195979) 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, 1804 + ... + 57529.

It is an arithmetic number, because the mean of its divisors is an integer number (120151350).

Almost surely, 2^1653195379 is an apocalyptic number.

1653195379 is a deficient number, since it is larger than the sum of its proper divisors (269226221).

1653195379 is a wasteful number, since it uses less digits than its factorization.

1653195379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59510.

The product of its digits is 765450, while the sum is 49.

The square root of 1653195379 is about 40659.5053954177. The cubic root of 1653195379 is about 1182.4280605890.

The spelling of 1653195379 in words is "one billion, six hundred fifty-three million, one hundred ninety-five thousand, three hundred seventy-nine".