2635463745 has 24 divisors (see below), whose sum is σ = 4571424000. Its totient is φ = 1404569376.

The previous prime is 2635463737. The next prime is 2635463749. The reversal of 2635463745 is 5473645362.

2635463745 is a `hidden beast` number, since 2 + 6 + 3 + 5 + 4 + 637 + 4 + 5 = 666.

2635463745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2635463745 - 2³ = 2635463737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2635463745.

It is not an unprimeable number, because it can be changed into a prime (2635463749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44406 + ... + 85104.

It is an arithmetic number, because the mean of its divisors is an integer number (190476000).

Almost surely, 2^2635463745 is an apocalyptic number.

It is an amenable number.

2635463745 is a deficient number, since it is larger than the sum of its proper divisors (1935960255).

2635463745 is a wasteful number, since it uses less digits than its factorization.

2635463745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42149 (or 42146 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The square root of 2635463745 is about 51336.7679641015. The cubic root of 2635463745 is about 1381.2925901024.

The spelling of 2635463745 in words is "two billion, six hundred thirty-five million, four hundred sixty-three thousand, seven hundred forty-five".