32143939573 has 2 divisors, whose sum is σ = 32143939574. Its totient is φ = 32143939572.

The previous prime is 32143939571. The next prime is 32143939577. The reversal of 32143939573 is 37593934123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31515835729 + 628103844 = 177527^2 + 25062^2 .

It is a cyclic number.

It is not a de Polignac number, because 32143939573 - 2¹ = 32143939571 is a prime.

Together with 32143939571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32143939571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16071969786 + 16071969787.

It is an arithmetic number, because the mean of its divisors is an integer number (16071969787).

Almost surely, 2^32143939573 is an apocalyptic number.

It is an amenable number.

32143939573 is a deficient number, since it is larger than the sum of its proper divisors (1).

32143939573 is an equidigital number, since it uses as much as digits as its factorization.

32143939573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 49.

The spelling of 32143939573 in words is "thirty-two billion, one hundred forty-three million, nine hundred thirty-nine thousand, five hundred seventy-three".