1421912263 has 2 divisors, whose sum is σ = 1421912264. Its totient is φ = 1421912262.

The previous prime is 1421912227. The next prime is 1421912269. The reversal of 1421912263 is 3622191241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421912263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421912269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710956131 + 710956132.

It is an arithmetic number, because the mean of its divisors is an integer number (710956132).

Almost surely, 2^1421912263 is an apocalyptic number.

1421912263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421912263 is an equidigital number, since it uses as much as digits as its factorization.

1421912263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 1421912263 is about 37708.2519218274. The cubic root of 1421912263 is about 1124.4951843417.

The spelling of 1421912263 in words is "one billion, four hundred twenty-one million, nine hundred twelve thousand, two hundred sixty-three".