1004959613 has 4 divisors (see below), whose sum is σ = 1148525280. Its totient is φ = 861393948.

The previous prime is 1004959597. The next prime is 1004959621. The reversal of 1004959613 is 3169594001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1004959613 - 2⁴ = 1004959597 is a prime.

It is a super-2 number, since 2×1004959613² = 2019887647522219538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004959633) 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, 71782823 + ... + 71782836.

It is an arithmetic number, because the mean of its divisors is an integer number (287131320).

Almost surely, 2^1004959613 is an apocalyptic number.

It is an amenable number.

1004959613 is a deficient number, since it is larger than the sum of its proper divisors (143565667).

1004959613 is an equidigital number, since it uses as much as digits as its factorization.

1004959613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143565666.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1004959613 is about 31701.0979778304. The cubic root of 1004959613 is about 1001.6504787545.

The spelling of 1004959613 in words is "one billion, four million, nine hundred fifty-nine thousand, six hundred thirteen".