32873784431 has 2 divisors, whose sum is σ = 32873784432. Its totient is φ = 32873784430.

The previous prime is 32873784407. The next prime is 32873784467. The reversal of 32873784431 is 13448737823.

It is a weak prime.

It is an emirp because it is prime and its reverse (13448737823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32873784431 is a prime.

It is a super-2 number, since 2×32873784431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32873784431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32873784131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16436892215 + 16436892216.

It is an arithmetic number, because the mean of its divisors is an integer number (16436892216).

Almost surely, 2^32873784431 is an apocalyptic number.

32873784431 is a deficient number, since it is larger than the sum of its proper divisors (1).

32873784431 is an equidigital number, since it uses as much as digits as its factorization.

32873784431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 50.

The spelling of 32873784431 in words is "thirty-two billion, eight hundred seventy-three million, seven hundred eighty-four thousand, four hundred thirty-one".