3389406297881 has 4 divisors (see below), whose sum is σ = 3389410902912. Its totient is φ = 3389401692852.

The previous prime is 3389406297859. The next prime is 3389406297913. The reversal of 3389406297881 is 1887926049833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3389406297881 is a prime.

It is a super-2 number, since 2×3389406297881² (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 (3389406297821) 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, 922961 + ... + 2762366.

It is an arithmetic number, because the mean of its divisors is an integer number (847352725728).

Almost surely, 2^{3389406297881} is an apocalyptic number.

It is an amenable number.

3389406297881 is a deficient number, since it is larger than the sum of its proper divisors (4605031).

3389406297881 is an equidigital number, since it uses as much as digits as its factorization.

3389406297881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605030.

The product of its (nonzero) digits is 125411328, while the sum is 68.

The spelling of 3389406297881 in words is "three trillion, three hundred eighty-nine billion, four hundred six million, two hundred ninety-seven thousand, eight hundred eighty-one".