36389998903 has 2 divisors, whose sum is σ = 36389998904. Its totient is φ = 36389998902.

The previous prime is 36389998889. The next prime is 36389998913. The reversal of 36389998903 is 30989998363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36389998903 - 2⁹ = 36389998391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36389998913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18194999451 + 18194999452.

It is an arithmetic number, because the mean of its divisors is an integer number (18194999452).

Almost surely, 2^36389998903 is an apocalyptic number.

36389998903 is a deficient number, since it is larger than the sum of its proper divisors (1).

36389998903 is an equidigital number, since it uses as much as digits as its factorization.

36389998903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68024448, while the sum is 67.

The spelling of 36389998903 in words is "thirty-six billion, three hundred eighty-nine million, nine hundred ninety-eight thousand, nine hundred three".