1913299463 has 2 divisors, whose sum is σ = 1913299464. Its totient is φ = 1913299462.

The previous prime is 1913299441. The next prime is 1913299471. The reversal of 1913299463 is 3649923191.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1913299463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1913299403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956649731 + 956649732.

It is an arithmetic number, because the mean of its divisors is an integer number (956649732).

Almost surely, 2^1913299463 is an apocalyptic number.

1913299463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1913299463 is an equidigital number, since it uses as much as digits as its factorization.

1913299463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 47.

The square root of 1913299463 is about 43741.2787078750. The cubic root of 1913299463 is about 1241.4454750734.

The spelling of 1913299463 in words is "one billion, nine hundred thirteen million, two hundred ninety-nine thousand, four hundred sixty-three".