2604056749 has 4 divisors (see below), whose sum is σ = 2976064864. Its totient is φ = 2232048636.

The previous prime is 2604056743. The next prime is 2604056809. The reversal of 2604056749 is 9476504062.

It is a happy number.

2604056749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2604056749 - 2⁵ = 2604056717 is a prime.

It is a super-2 number, since 2×2604056749² = 13562223104024898002, 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 (2604056743) 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, 186004047 + ... + 186004060.

It is an arithmetic number, because the mean of its divisors is an integer number (744016216).

Almost surely, 2^2604056749 is an apocalyptic number.

It is an amenable number.

2604056749 is a deficient number, since it is larger than the sum of its proper divisors (372008115).

2604056749 is an equidigital number, since it uses as much as digits as its factorization.

2604056749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372008114.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 2604056749 is about 51029.9593278302. The cubic root of 2604056749 is about 1375.7836632930.

The spelling of 2604056749 in words is "two billion, six hundred four million, fifty-six thousand, seven hundred forty-nine".