1421973463 has 2 divisors, whose sum is σ = 1421973464. Its totient is φ = 1421973462.

The previous prime is 1421973419. The next prime is 1421973473. The reversal of 1421973463 is 3643791241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421973463 - 2²⁵ = 1388419031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421973473) 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, 710986731 + 710986732.

It is an arithmetic number, because the mean of its divisors is an integer number (710986732).

Almost surely, 2^1421973463 is an apocalyptic number.

1421973463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421973463 is an equidigital number, since it uses as much as digits as its factorization.

1421973463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 1421973463 is about 37709.0634065605. The cubic root of 1421973463 is about 1124.5113171041.

The spelling of 1421973463 in words is "one billion, four hundred twenty-one million, nine hundred seventy-three thousand, four hundred sixty-three".