389091900101 has 4 divisors (see below), whose sum is σ = 389093850912. Its totient is φ = 389089949292.

The previous prime is 389091900091. The next prime is 389091900103. The reversal of 389091900101 is 101009190983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389091900101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389091900103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637121 + ... + 1088166.

It is an arithmetic number, because the mean of its divisors is an integer number (97273462728).

Almost surely, 2^389091900101 is an apocalyptic number.

It is an amenable number.

389091900101 is a deficient number, since it is larger than the sum of its proper divisors (1950811).

389091900101 is a wasteful number, since it uses less digits than its factorization.

389091900101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950810.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 389091900101 in words is "three hundred eighty-nine billion, ninety-one million, nine hundred thousand, one hundred one".