3638570700145 has 4 divisors (see below), whose sum is σ = 4366284840180. Its totient is φ = 2910856560112.

The previous prime is 3638570700119. The next prime is 3638570700151. The reversal of 3638570700145 is 5410070758363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 462205540449 + 3176365159696 = 679857^2 + 1782236^2 .

It is a cyclic number.

It is not a de Polignac number, because 3638570700145 - 2⁵ = 3638570700113 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363857070010 + ... + 363857070019.

It is an arithmetic number, because the mean of its divisors is an integer number (1091571210045).

Almost surely, 2^{3638570700145} is an apocalyptic number.

It is an amenable number.

3638570700145 is a deficient number, since it is larger than the sum of its proper divisors (727714140035).

3638570700145 is an equidigital number, since it uses as much as digits as its factorization.

3638570700145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727714140034.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 3638570700145 in words is "three trillion, six hundred thirty-eight billion, five hundred seventy million, seven hundred thousand, one hundred forty-five".