1013103989 has 2 divisors, whose sum is σ = 1013103990. Its totient is φ = 1013103988.

The previous prime is 1013103937. The next prime is 1013104003. The reversal of 1013103989 is 9893013101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725224900 + 287879089 = 26930^2 + 16967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013103989 - 2⁸ = 1013103733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013103589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506551994 + 506551995.

It is an arithmetic number, because the mean of its divisors is an integer number (506551995).

Almost surely, 2^1013103989 is an apocalyptic number.

It is an amenable number.

1013103989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013103989 is an equidigital number, since it uses as much as digits as its factorization.

1013103989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1013103989 is about 31829.2945099322. The cubic root of 1013103989 is about 1004.3490546374.

The spelling of 1013103989 in words is "one billion, thirteen million, one hundred three thousand, nine hundred eighty-nine".