3243727761631 has 8 divisors (see below), whose sum is σ = 3708127309824. Its totient is φ = 2779580680440.

The previous prime is 3243727761623. The next prime is 3243727761683. The reversal of 3243727761631 is 1361677273423.

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

It is a cyclic number.

It is not a de Polignac number, because 3243727761631 - 2³ = 3243727761623 is a prime.

It is a super-2 number, since 2×3243727761631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243727765631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63089215 + ... + 63140608.

It is an arithmetic number, because the mean of its divisors is an integer number (463515913728).

Almost surely, 2^{3243727761631} is an apocalyptic number.

3243727761631 is a deficient number, since it is larger than the sum of its proper divisors (464399548193).

3243727761631 is a wasteful number, since it uses less digits than its factorization.

3243727761631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126233501.

The product of its digits is 5334336, while the sum is 52.

The spelling of 3243727761631 in words is "three trillion, two hundred forty-three billion, seven hundred twenty-seven million, seven hundred sixty-one thousand, six hundred thirty-one".