3438115263881 has 4 divisors (see below), whose sum is σ = 3439879306500. Its totient is φ = 3436351221264.

The previous prime is 3438115263859. The next prime is 3438115263911. The reversal of 3438115263881 is 1883625118343.

3438115263881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1681586497600 + 1756528766281 = 1296760^2 + 1325341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3438115263881 is a prime.

It is a super-2 number, since 2×3438115263881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3438115263581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882018386 + ... + 882022283.

It is an arithmetic number, because the mean of its divisors is an integer number (859969826625).

Almost surely, 2^{3438115263881} is an apocalyptic number.

It is an amenable number.

3438115263881 is a deficient number, since it is larger than the sum of its proper divisors (1764042619).

3438115263881 is a wasteful number, since it uses less digits than its factorization.

3438115263881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764042618.

The product of its digits is 3317760, while the sum is 53.

The spelling of 3438115263881 in words is "three trillion, four hundred thirty-eight billion, one hundred fifteen million, two hundred sixty-three thousand, eight hundred eighty-one".