3365881913956 has 9 divisors (see below), whose sum is σ = 5890299770649. Its totient is φ = 1682939122344.

The previous prime is 3365881913951. The next prime is 3365881913963. The reversal of 3365881913956 is 6593191885633.

The square root of 3365881913956 is 1834634.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1057256932900 + 2308624981056 = 1028230^2 + 1519416^2 .

It is a super-2 number, since 2×3365881913956² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3365881913891 and 3365881913900.

It is not an unprimeable number, because it can be changed into a prime (3365881913951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3210610 + ... + 4127926.

Almost surely, 2^{3365881913956} is an apocalyptic number.

3365881913956 is the 1834634-th square number.

It is an amenable number.

3365881913956 is a deficient number, since it is larger than the sum of its proper divisors (2524417856693).

3365881913956 is an frugal number, since it uses more digits than its factorization.

3365881913956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834638 (or 917319 counting only the distinct ones).

The product of its digits is 125971200, while the sum is 67.

The spelling of 3365881913956 in words is "three trillion, three hundred sixty-five billion, eight hundred eighty-one million, nine hundred thirteen thousand, nine hundred fifty-six".