3331961645263 has 16 divisors (see below), whose sum is σ = 3662509474080. Its totient is φ = 3017128052736.

The previous prime is 3331961645179. The next prime is 3331961645293. The reversal of 3331961645263 is 3625461691333.

3331961645263 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3331961645263 - 2²¹ = 3331959548111 is a prime.

It is a super-2 number, since 2×3331961645263² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3331961645263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331961645293) 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, 11801370 + ... + 12080407.

It is an arithmetic number, because the mean of its divisors is an integer number (228906842130).

Almost surely, 2^{3331961645263} is an apocalyptic number.

3331961645263 is a deficient number, since it is larger than the sum of its proper divisors (330547828817).

3331961645263 is a wasteful number, since it uses less digits than its factorization.

3331961645263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23882106.

The product of its digits is 6298560, while the sum is 52.

The spelling of 3331961645263 in words is "three trillion, three hundred thirty-one billion, nine hundred sixty-one million, six hundred forty-five thousand, two hundred sixty-three".