1356842863 has 2 divisors, whose sum is σ = 1356842864. Its totient is φ = 1356842862.

The previous prime is 1356842857. The next prime is 1356842881. The reversal of 1356842863 is 3682486531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1356842863 - 2⁹ = 1356842351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356842803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678421431 + 678421432.

It is an arithmetic number, because the mean of its divisors is an integer number (678421432).

Almost surely, 2^1356842863 is an apocalyptic number.

1356842863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356842863 is an equidigital number, since it uses as much as digits as its factorization.

1356842863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 46.

The square root of 1356842863 is about 36835.3480097582. The cubic root of 1356842863 is about 1107.0736606148.

The spelling of 1356842863 in words is "one billion, three hundred fifty-six million, eight hundred forty-two thousand, eight hundred sixty-three".