2904886609 has 3 divisors (see below), whose sum is σ = 2904940507. Its totient is φ = 2904832712.

The previous prime is 2904886603. The next prime is 2904886627. The reversal of 2904886609 is 9066884092.

The square root of 2904886609 is 53897.

It is a perfect power (a square), and thus also a powerful number.

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 only one way, i.e., 2158067025 + 746819584 = 46455^2 + 27328^2 .

It is not a de Polignac number, because 2904886609 - 2²⁷ = 2770668881 is a prime.

It is a super-2 number, since 2×2904886609² = 16876732422295037762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2904886603) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26949 + ... + 80845.

Almost surely, 2^2904886609 is an apocalyptic number.

2904886609 is the 53897-th square number.

2904886609 is the 26949-th centered octagonal number.

It is an amenable number.

2904886609 is a deficient number, since it is larger than the sum of its proper divisors (53898).

2904886609 is an frugal number, since it uses more digits than its factorization.

2904886609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107794 (or 53897 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The cubic root of 2904886609 is about 1426.8436764375.

The spelling of 2904886609 in words is "two billion, nine hundred four million, eight hundred eighty-six thousand, six hundred nine".