1399473359 has 2 divisors, whose sum is σ = 1399473360. Its totient is φ = 1399473358.

The previous prime is 1399473319. The next prime is 1399473389. The reversal of 1399473359 is 9533749931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1399473359 - 2²⁴ = 1382696143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1399473359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1399473319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699736679 + 699736680.

It is an arithmetic number, because the mean of its divisors is an integer number (699736680).

Almost surely, 2^1399473359 is an apocalyptic number.

1399473359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399473359 is an equidigital number, since it uses as much as digits as its factorization.

1399473359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2755620, while the sum is 53.

The square root of 1399473359 is about 37409.5356693985. The cubic root of 1399473359 is about 1118.5486512833.

The spelling of 1399473359 in words is "one billion, three hundred ninety-nine million, four hundred seventy-three thousand, three hundred fifty-nine".