2649741804 has 18 divisors (see below), whose sum is σ = 6697958540. Its totient is φ = 883247256.

The previous prime is 2649741781. The next prime is 2649741811. The reversal of 2649741804 is 4081479462.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2649741804² = 14042263255730348832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2649741804.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36801934 + ... + 36802005.

Almost surely, 2^2649741804 is an apocalyptic number.

It is an amenable number.

2649741804 is an abundant number, since it is smaller than the sum of its proper divisors (4048216736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649741804 is a wasteful number, since it uses less digits than its factorization.

2649741804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73603949 (or 73603944 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2649741804 is about 51475.6428226011. The cubic root of 2649741804 is about 1383.7825589487.

The spelling of 2649741804 in words is "two billion, six hundred forty-nine million, seven hundred forty-one thousand, eight hundred four".