1357393693 has 4 divisors (see below), whose sum is σ = 1362801888. Its totient is φ = 1351985500.

The previous prime is 1357393663. The next prime is 1357393717. The reversal of 1357393693 is 3963937531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1357393693 - 2⁹ = 1357393181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357393603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703721 + ... + 2704222.

It is an arithmetic number, because the mean of its divisors is an integer number (340700472).

Almost surely, 2^1357393693 is an apocalyptic number.

It is an amenable number.

1357393693 is a deficient number, since it is larger than the sum of its proper divisors (5408195).

1357393693 is an equidigital number, since it uses as much as digits as its factorization.

1357393693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408194.

The product of its digits is 1377810, while the sum is 49.

The square root of 1357393693 is about 36842.8241724220. The cubic root of 1357393693 is about 1107.2234512057.

The spelling of 1357393693 in words is "one billion, three hundred fifty-seven million, three hundred ninety-three thousand, six hundred ninety-three".