3634660270361 has 4 divisors (see below), whose sum is σ = 3792688977792. Its totient is φ = 3476631562932.

The previous prime is 3634660270343. The next prime is 3634660270399. The reversal of 3634660270361 is 1630720664363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3634660270361 - 2¹⁰ = 3634660269337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3634660270331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79014353681 + ... + 79014353726.

It is an arithmetic number, because the mean of its divisors is an integer number (948172244448).

Almost surely, 2^{3634660270361} is an apocalyptic number.

It is an amenable number.

3634660270361 is a deficient number, since it is larger than the sum of its proper divisors (158028707431).

3634660270361 is a wasteful number, since it uses less digits than its factorization.

3634660270361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158028707430.

The product of its (nonzero) digits is 1959552, while the sum is 47.

The spelling of 3634660270361 in words is "three trillion, six hundred thirty-four billion, six hundred sixty million, two hundred seventy thousand, three hundred sixty-one".