34431643 has 2 divisors, whose sum is σ = 34431644. Its totient is φ = 34431642.

The previous prime is 34431611. The next prime is 34431653. The reversal of 34431643 is 34613443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34431643 - 2⁵ = 34431611 is a prime.

It is not a weakly prime, because it can be changed into another prime (34431653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17215821 + 17215822.

It is an arithmetic number, because the mean of its divisors is an integer number (17215822).

Almost surely, 2^34431643 is an apocalyptic number.

34431643 is a deficient number, since it is larger than the sum of its proper divisors (1).

34431643 is an equidigital number, since it uses as much as digits as its factorization.

34431643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

The square root of 34431643 is about 5867.8482427547. The cubic root of 34431643 is about 325.3263561959.

The spelling of 34431643 in words is "thirty-four million, four hundred thirty-one thousand, six hundred forty-three".