1434403391 has 2 divisors, whose sum is σ = 1434403392. Its totient is φ = 1434403390.

The previous prime is 1434403381. The next prime is 1434403403. The reversal of 1434403391 is 1933044341.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434403391 is a prime.

It is a super-2 number, since 2×1434403391² = 4115026176224597762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434403351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717201695 + 717201696.

It is an arithmetic number, because the mean of its divisors is an integer number (717201696).

Almost surely, 2^1434403391 is an apocalyptic number.

1434403391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434403391 is an equidigital number, since it uses as much as digits as its factorization.

1434403391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1434403391 is about 37873.5183340550. The cubic root of 1434403391 is about 1127.7783878704.

The spelling of 1434403391 in words is "one billion, four hundred thirty-four million, four hundred three thousand, three hundred ninety-one".