1396934002787 has 2 divisors, whose sum is σ = 1396934002788. Its totient is φ = 1396934002786.

The previous prime is 1396934002777. The next prime is 1396934002837. The reversal of 1396934002787 is 7872004396931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396934002787 - 2⁴ = 1396934002771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1396934002777) 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, 698467001393 + 698467001394.

It is an arithmetic number, because the mean of its divisors is an integer number (698467001394).

Almost surely, 2^{1396934002787} is an apocalyptic number.

1396934002787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396934002787 is an equidigital number, since it uses as much as digits as its factorization.

1396934002787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 1396934002787 in words is "one trillion, three hundred ninety-six billion, nine hundred thirty-four million, two thousand, seven hundred eighty-seven".