3261692633881 has 16 divisors (see below), whose sum is σ = 3766509552960. Its totient is φ = 2796347977920.

The previous prime is 3261692633827. The next prime is 3261692633893. The reversal of 3261692633881 is 1883362961623.

It is a cyclic number.

It is not a de Polignac number, because 3261692633881 - 2¹¹ = 3261692631833 is a prime.

It is a super-2 number, since 2×3261692633881² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3261692633581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118878630 + ... + 118906063.

It is an arithmetic number, because the mean of its divisors is an integer number (235406847060).

Almost surely, 2^{3261692633881} is an apocalyptic number.

It is an amenable number.

3261692633881 is a deficient number, since it is larger than the sum of its proper divisors (504816919079).

3261692633881 is a wasteful number, since it uses less digits than its factorization.

3261692633881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237784776.

The product of its digits is 13436928, while the sum is 58.

The spelling of 3261692633881 in words is "three trillion, two hundred sixty-one billion, six hundred ninety-two million, six hundred thirty-three thousand, eight hundred eighty-one".