2635889745 has 16 divisors (see below), whose sum is σ = 4218419520. Its totient is φ = 1405475904.

The previous prime is 2635889743. The next prime is 2635889791. The reversal of 2635889745 is 5479885362.

2635889745 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 2635889745 - 2¹ = 2635889743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2635889743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53451 + ... + 90159.

It is an arithmetic number, because the mean of its divisors is an integer number (263651220).

Almost surely, 2^2635889745 is an apocalyptic number.

It is an amenable number.

2635889745 is a deficient number, since it is larger than the sum of its proper divisors (1582529775).

2635889745 is a wasteful number, since it uses less digits than its factorization.

2635889745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41504.

The product of its digits is 14515200, while the sum is 57.

The square root of 2635889745 is about 51340.9168694911. The cubic root of 2635889745 is about 1381.3670107735.

The spelling of 2635889745 in words is "two billion, six hundred thirty-five million, eight hundred eighty-nine thousand, seven hundred forty-five".