3111334493789 has 2 divisors, whose sum is σ = 3111334493790. Its totient is φ = 3111334493788.

The previous prime is 3111334493759. The next prime is 3111334493803. The reversal of 3111334493789 is 9873944331113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2636499112900 + 474835380889 = 1623730^2 + 689083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3111334493789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111334493759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555667246894 + 1555667246895.

It is an arithmetic number, because the mean of its divisors is an integer number (1555667246895).

Almost surely, 2^{3111334493789} is an apocalyptic number.

It is an amenable number.

3111334493789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111334493789 is an equidigital number, since it uses as much as digits as its factorization.

3111334493789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 56.

The spelling of 3111334493789 in words is "three trillion, one hundred eleven billion, three hundred thirty-four million, four hundred ninety-three thousand, seven hundred eighty-nine".