100389486689 has 2 divisors, whose sum is σ = 100389486690. Its totient is φ = 100389486688.

The previous prime is 100389486683. The next prime is 100389486713. The reversal of 100389486689 is 986684983001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98947993600 + 1441493089 = 314560^2 + 37967^2 .

It is a cyclic number.

It is not a de Polignac number, because 100389486689 - 2⁸ = 100389486433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100389486683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50194743344 + 50194743345.

It is an arithmetic number, because the mean of its divisors is an integer number (50194743345).

Almost surely, 2^100389486689 is an apocalyptic number.

It is an amenable number.

100389486689 is a deficient number, since it is larger than the sum of its proper divisors (1).

100389486689 is an equidigital number, since it uses as much as digits as its factorization.

100389486689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 62.

The spelling of 100389486689 in words is "one hundred billion, three hundred eighty-nine million, four hundred eighty-six thousand, six hundred eighty-nine".