1392321864587 has 2 divisors, whose sum is σ = 1392321864588. Its totient is φ = 1392321864586.

The previous prime is 1392321864559. The next prime is 1392321864599. The reversal of 1392321864587 is 7854681232931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1392321864587 - 2¹⁸ = 1392321602443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1392321864287) by changing a digit.

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 as a sum of consecutive naturals, namely, 696160932293 + 696160932294.

It is an arithmetic number, because the mean of its divisors is an integer number (696160932294).

Almost surely, 2^{1392321864587} is an apocalyptic number.

1392321864587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392321864587 is an equidigital number, since it uses as much as digits as its factorization.

1392321864587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 59.

The spelling of 1392321864587 in words is "one trillion, three hundred ninety-two billion, three hundred twenty-one million, eight hundred sixty-four thousand, five hundred eighty-seven".