1463055491 has 2 divisors, whose sum is σ = 1463055492. Its totient is φ = 1463055490.

The previous prime is 1463055463. The next prime is 1463055493. The reversal of 1463055491 is 1945503641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1463055491 is a prime.

Together with 1463055493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1463055493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731527745 + 731527746.

It is an arithmetic number, because the mean of its divisors is an integer number (731527746).

Almost surely, 2^1463055491 is an apocalyptic number.

1463055491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463055491 is an equidigital number, since it uses as much as digits as its factorization.

1463055491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1463055491 is about 38249.9083789752. The cubic root of 1463055491 is about 1135.2380337438.

The spelling of 1463055491 in words is "one billion, four hundred sixty-three million, fifty-five thousand, four hundred ninety-one".