1356384342857 has 4 divisors (see below), whose sum is σ = 1362307418820. Its totient is φ = 1350461266896.

The previous prime is 1356384342793. The next prime is 1356384342869. The reversal of 1356384342857 is 7582434836531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1136588399881 + 219795942976 = 1066109^2 + 468824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356384342857 - 2⁶ = 1356384342793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1356384342796 and 1356384342805.

It is not an unprimeable number, because it can be changed into a prime (1356384341857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2961537638 + ... + 2961538095.

It is an arithmetic number, because the mean of its divisors is an integer number (340576854705).

Almost surely, 2^{1356384342857} is an apocalyptic number.

It is an amenable number.

1356384342857 is a deficient number, since it is larger than the sum of its proper divisors (5923075963).

1356384342857 is an equidigital number, since it uses as much as digits as its factorization.

1356384342857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923075962.

The product of its digits is 58060800, while the sum is 59.

The spelling of 1356384342857 in words is "one trillion, three hundred fifty-six billion, three hundred eighty-four million, three hundred forty-two thousand, eight hundred fifty-seven".