1421434199 has 2 divisors, whose sum is σ = 1421434200. Its totient is φ = 1421434198.

The previous prime is 1421434193. The next prime is 1421434241. The reversal of 1421434199 is 9914341241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421434199 - 2⁸ = 1421433943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421434193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710717099 + 710717100.

It is an arithmetic number, because the mean of its divisors is an integer number (710717100).

Almost surely, 2^1421434199 is an apocalyptic number.

1421434199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421434199 is an equidigital number, since it uses as much as digits as its factorization.

1421434199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 1421434199 is about 37701.9124050757. The cubic root of 1421434199 is about 1124.3691472816.

It can be divided in two parts, 142 and 1434199, that added together give a palindrome (1434341).

The spelling of 1421434199 in words is "one billion, four hundred twenty-one million, four hundred thirty-four thousand, one hundred ninety-nine".