368843649811 has 32 divisors (see below), whose sum is σ = 481227626880. Its totient is φ = 274344247296.

The previous prime is 368843649803. The next prime is 368843649817. The reversal of 368843649811 is 118946348863.

It is a happy number.

It is not a de Polignac number, because 368843649811 - 2³ = 368843649803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 368843649811.

It is not an unprimeable number, because it can be changed into a prime (368843649817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186675 + ... + 1464883.

It is an arithmetic number, because the mean of its divisors is an integer number (15038363340).

Almost surely, 2^368843649811 is an apocalyptic number.

368843649811 is a deficient number, since it is larger than the sum of its proper divisors (112383977069).

368843649811 is a wasteful number, since it uses less digits than its factorization.

368843649811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279103.

The product of its digits is 23887872, while the sum is 61.

The spelling of 368843649811 in words is "three hundred sixty-eight billion, eight hundred forty-three million, six hundred forty-nine thousand, eight hundred eleven".