1357688709602 has 8 divisors (see below), whose sum is σ = 2064430777836. Its totient is φ = 669545116992.

The previous prime is 1357688709599. The next prime is 1357688709673. The reversal of 1357688709602 is 2069078867531.

It is a Cunningham number, because it is equal to 1165199²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1357688709601 + 1 = 1165199^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4649618723 + ... + 4649619014.

Almost surely, 2^{1357688709602} is an apocalyptic number.

1357688709602 is a deficient number, since it is larger than the sum of its proper divisors (706742068234).

1357688709602 is an equidigital number, since it uses as much as digits as its factorization.

1357688709602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9299237812.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 1357688709602 in words is "one trillion, three hundred fifty-seven billion, six hundred eighty-eight million, seven hundred nine thousand, six hundred two".