1399484903 has 2 divisors, whose sum is σ = 1399484904. Its totient is φ = 1399484902.

The previous prime is 1399484893. The next prime is 1399484927. The reversal of 1399484903 is 3094849931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1399484903 - 2⁶ = 1399484839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1399484963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699742451 + 699742452.

It is an arithmetic number, because the mean of its divisors is an integer number (699742452).

Almost surely, 2^1399484903 is an apocalyptic number.

1399484903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399484903 is an equidigital number, since it uses as much as digits as its factorization.

1399484903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 1399484903 is about 37409.6899612921. The cubic root of 1399484903 is about 1118.5517268426.

The spelling of 1399484903 in words is "one billion, three hundred ninety-nine million, four hundred eighty-four thousand, nine hundred three".