1868707040889 has 16 divisors (see below), whose sum is σ = 2733899418432. Its totient is φ = 1128275947968.

The previous prime is 1868707040873. The next prime is 1868707040891. The reversal of 1868707040889 is 9880407078681.

It is not a de Polignac number, because 1868707040889 - 2⁴ = 1868707040873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1868707040819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452031567 + ... + 452035700.

It is an arithmetic number, because the mean of its divisors is an integer number (170868713652).

Almost surely, 2^{1868707040889} is an apocalyptic number.

It is an amenable number.

1868707040889 is a deficient number, since it is larger than the sum of its proper divisors (865192377543).

1868707040889 is a wasteful number, since it uses less digits than its factorization.

1868707040889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904067336.

The product of its (nonzero) digits is 43352064, while the sum is 66.

The spelling of 1868707040889 in words is "one trillion, eight hundred sixty-eight billion, seven hundred seven million, forty thousand, eight hundred eighty-nine".