1421984803 has 2 divisors, whose sum is σ = 1421984804. Its totient is φ = 1421984802.

The previous prime is 1421984797. The next prime is 1421984807. The reversal of 1421984803 is 3084891241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421984803 - 2²⁵ = 1388430371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421984807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710992401 + 710992402.

It is an arithmetic number, because the mean of its divisors is an integer number (710992402).

Almost surely, 2^1421984803 is an apocalyptic number.

1421984803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421984803 is an equidigital number, since it uses as much as digits as its factorization.

1421984803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1421984803 is about 37709.2137679904. The cubic root of 1421984803 is about 1124.5143063592.

The spelling of 1421984803 in words is "one billion, four hundred twenty-one million, nine hundred eighty-four thousand, eight hundred three".