1399765063 has 2 divisors, whose sum is σ = 1399765064. Its totient is φ = 1399765062.

The previous prime is 1399765049. The next prime is 1399765067. The reversal of 1399765063 is 3605679931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1399765063 - 2⁹ = 1399764551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1399764998 and 1399765016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1399765067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699882531 + 699882532.

It is an arithmetic number, because the mean of its divisors is an integer number (699882532).

Almost surely, 2^1399765063 is an apocalyptic number.

1399765063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399765063 is an equidigital number, since it uses as much as digits as its factorization.

1399765063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 49.

The square root of 1399765063 is about 37413.4342582982. The cubic root of 1399765063 is about 1118.6263620512.

The spelling of 1399765063 in words is "one billion, three hundred ninety-nine million, seven hundred sixty-five thousand, sixty-three".