3111840649699 has 2 divisors, whose sum is σ = 3111840649700. Its totient is φ = 3111840649698.

The previous prime is 3111840649667. The next prime is 3111840649747. The reversal of 3111840649699 is 9969460481113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3111840649699 - 2⁵ = 3111840649667 is a prime.

It is not a weakly prime, because it can be changed into another prime (3111840649639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555920324849 + 1555920324850.

It is an arithmetic number, because the mean of its divisors is an integer number (1555920324850).

Almost surely, 2^{3111840649699} is an apocalyptic number.

3111840649699 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111840649699 is an equidigital number, since it uses as much as digits as its factorization.

3111840649699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 3111840649699 in words is "three trillion, one hundred eleven billion, eight hundred forty million, six hundred forty-nine thousand, six hundred ninety-nine".