1399900699 has 2 divisors, whose sum is σ = 1399900700. Its totient is φ = 1399900698.

The previous prime is 1399900657. The next prime is 1399900709. The reversal of 1399900699 is 9960099931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1399900699 - 2⁷ = 1399900571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1399900609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699950349 + 699950350.

It is an arithmetic number, because the mean of its divisors is an integer number (699950350).

Almost surely, 2^1399900699 is an apocalyptic number.

1399900699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399900699 is an equidigital number, since it uses as much as digits as its factorization.

1399900699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1062882, while the sum is 55.

The square root of 1399900699 is about 37415.2468787792. The cubic root of 1399900699 is about 1118.6624921868.

The spelling of 1399900699 in words is "one billion, three hundred ninety-nine million, nine hundred thousand, six hundred ninety-nine".