1391119063 has 2 divisors, whose sum is σ = 1391119064. Its totient is φ = 1391119062.

The previous prime is 1391119049. The next prime is 1391119073. The reversal of 1391119063 is 3609111931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1391119063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1391119003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695559531 + 695559532.

It is an arithmetic number, because the mean of its divisors is an integer number (695559532).

Almost surely, 2^1391119063 is an apocalyptic number.

1391119063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1391119063 is an equidigital number, since it uses as much as digits as its factorization.

1391119063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 1391119063 is about 37297.7085489176. The cubic root of 1391119063 is about 1116.3184449327.

The spelling of 1391119063 in words is "one billion, three hundred ninety-one million, one hundred nineteen thousand, sixty-three".