1357393663 has 2 divisors, whose sum is σ = 1357393664. Its totient is φ = 1357393662.

The previous prime is 1357393627. The next prime is 1357393717. The reversal of 1357393663 is 3663937531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1357393663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1357393603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678696831 + 678696832.

It is an arithmetic number, because the mean of its divisors is an integer number (678696832).

Almost surely, 2^1357393663 is an apocalyptic number.

1357393663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357393663 is an equidigital number, since it uses as much as digits as its factorization.

1357393663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 46.

The square root of 1357393663 is about 36842.8237652870. The cubic root of 1357393663 is about 1107.2234430488.

The spelling of 1357393663 in words is "one billion, three hundred fifty-seven million, three hundred ninety-three thousand, six hundred sixty-three".