1391141678963 has 2 divisors, whose sum is σ = 1391141678964. Its totient is φ = 1391141678962.

The previous prime is 1391141678893. The next prime is 1391141678987. The reversal of 1391141678963 is 3698761411931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1391141678963 - 2⁴⁰ = 291630051187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1391141671963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695570839481 + 695570839482.

It is an arithmetic number, because the mean of its divisors is an integer number (695570839482).

Almost surely, 2^{1391141678963} is an apocalyptic number.

1391141678963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1391141678963 is an equidigital number, since it uses as much as digits as its factorization.

1391141678963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The spelling of 1391141678963 in words is "one trillion, three hundred ninety-one billion, one hundred forty-one million, six hundred seventy-eight thousand, nine hundred sixty-three".