1421343683 has 2 divisors, whose sum is σ = 1421343684. Its totient is φ = 1421343682.

The previous prime is 1421343661. The next prime is 1421343691. The reversal of 1421343683 is 3863431241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421343683 - 2²⁴ = 1404566467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421343643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710671841 + 710671842.

It is an arithmetic number, because the mean of its divisors is an integer number (710671842).

Almost surely, 2^1421343683 is an apocalyptic number.

1421343683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421343683 is an equidigital number, since it uses as much as digits as its factorization.

1421343683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 1421343683 is about 37700.7119694045. The cubic root of 1421343683 is about 1124.3452804111.

The spelling of 1421343683 in words is "one billion, four hundred twenty-one million, three hundred forty-three thousand, six hundred eighty-three".