3641236745 has 8 divisors (see below), whose sum is σ = 4369808520. Its totient is φ = 2912773120.

The previous prime is 3641236717. The next prime is 3641236777. The reversal of 3641236745 is 5476321463.

It can be written as a sum of positive squares in 4 ways, for example, as 577392841 + 3063843904 = 24029^2 + 55352^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3641236745 - 2²⁴ = 3624459529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112715 + ... + 141375.

It is an arithmetic number, because the mean of its divisors is an integer number (546226065).

Almost surely, 2^3641236745 is an apocalyptic number.

It is an amenable number.

3641236745 is a deficient number, since it is larger than the sum of its proper divisors (728571775).

3641236745 is a wasteful number, since it uses less digits than its factorization.

3641236745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54075.

The product of its digits is 362880, while the sum is 41.

The square root of 3641236745 is about 60342.6610699263. The cubic root of 3641236745 is about 1538.4485337853.

The spelling of 3641236745 in words is "three billion, six hundred forty-one million, two hundred thirty-six thousand, seven hundred forty-five".