2653749036 has 18 divisors (see below), whose sum is σ = 6708087932. Its totient is φ = 884583000.

The previous prime is 2653749031. The next prime is 2653749127. The reversal of 2653749036 is 6309473562.

2653749036 is a `hidden beast` number, since 26 + 537 + 4 + 90 + 3 + 6 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2653748982 and 2653749000.

It is not an unprimeable number, because it can be changed into a prime (2653749031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36857590 + ... + 36857661.

Almost surely, 2^2653749036 is an apocalyptic number.

It is an amenable number.

2653749036 is an abundant number, since it is smaller than the sum of its proper divisors (4054338896).

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

2653749036 is a wasteful number, since it uses less digits than its factorization.

2653749036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73715261 (or 73715256 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The square root of 2653749036 is about 51514.5516917308. The cubic root of 2653749036 is about 1384.4797771665.

It can be divided in two parts, 2653 and 749036, that added together give a square (751689 = 867²).

The spelling of 2653749036 in words is "two billion, six hundred fifty-three million, seven hundred forty-nine thousand, thirty-six".