32143442407 has 2 divisors, whose sum is σ = 32143442408. Its totient is φ = 32143442406.

The previous prime is 32143442389. The next prime is 32143442467. The reversal of 32143442407 is 70424434123.

It is a weak prime.

It is an emirp because it is prime and its reverse (70424434123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32143442407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32143442467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16071721203 + 16071721204.

It is an arithmetic number, because the mean of its divisors is an integer number (16071721204).

Almost surely, 2^32143442407 is an apocalyptic number.

32143442407 is a deficient number, since it is larger than the sum of its proper divisors (1).

32143442407 is an equidigital number, since it uses as much as digits as its factorization.

32143442407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 32143442407 in words is "thirty-two billion, one hundred forty-three million, four hundred forty-two thousand, four hundred seven".