1405921463 has 2 divisors, whose sum is σ = 1405921464. Its totient is φ = 1405921462.

The previous prime is 1405921411. The next prime is 1405921493. The reversal of 1405921463 is 3641295041.

It is a strong prime.

It is an emirp because it is prime and its reverse (3641295041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1405921463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1405921493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702960731 + 702960732.

It is an arithmetic number, because the mean of its divisors is an integer number (702960732).

Almost surely, 2^1405921463 is an apocalyptic number.

1405921463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405921463 is an equidigital number, since it uses as much as digits as its factorization.

1405921463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1405921463 is about 37495.6192507872. The cubic root of 1405921463 is about 1120.2639320057.

The spelling of 1405921463 in words is "one billion, four hundred five million, nine hundred twenty-one thousand, four hundred sixty-three".