3636397145 has 16 divisors (see below), whose sum is σ = 4530978000. Its totient is φ = 2798331648.

The previous prime is 3636397117. The next prime is 3636397157. The reversal of 3636397145 is 5417936363.

3636397145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 21501769 + 3614895376 = 4637^2 + 60124^2 .

It is a cyclic number.

It is not a de Polignac number, because 3636397145 - 2⁶ = 3636397081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3636397145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7610 + ... + 85619.

It is an arithmetic number, because the mean of its divisors is an integer number (283186125).

Almost surely, 2^3636397145 is an apocalyptic number.

It is an amenable number.

3636397145 is a deficient number, since it is larger than the sum of its proper divisors (894580855).

3636397145 is a wasteful number, since it uses less digits than its factorization.

3636397145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93532.

The product of its digits is 1224720, while the sum is 47.

The square root of 3636397145 is about 60302.5467538478. The cubic root of 3636397145 is about 1537.7666430707.

The spelling of 3636397145 in words is "three billion, six hundred thirty-six million, three hundred ninety-seven thousand, one hundred forty-five".