3401439388847 has 4 divisors (see below), whose sum is σ = 3403556029776. Its totient is φ = 3399322747920.

The previous prime is 3401439388807. The next prime is 3401439388849. The reversal of 3401439388847 is 7488839341043.

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

It is a cyclic number.

It is not a de Polignac number, because 3401439388847 - 2²⁰ = 3401438340271 is a prime.

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 3401439388847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401439388849) 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, 1058318054 + ... + 1058321267.

It is an arithmetic number, because the mean of its divisors is an integer number (850889007444).

Almost surely, 2^{3401439388847} is an apocalyptic number.

3401439388847 is a deficient number, since it is larger than the sum of its proper divisors (2116640929).

3401439388847 is a wasteful number, since it uses less digits than its factorization.

3401439388847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116640928.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 3401439388847 in words is "three trillion, four hundred one billion, four hundred thirty-nine million, three hundred eighty-eight thousand, eight hundred forty-seven".