32378813933 has 2 divisors, whose sum is σ = 32378813934. Its totient is φ = 32378813932.

The previous prime is 32378813903. The next prime is 32378814059. The reversal of 32378813933 is 33931887323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19310437444 + 13068376489 = 138962^2 + 114317^2 .

It is a cyclic number.

It is not a de Polignac number, because 32378813933 - 2⁶ = 32378813869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32378813903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16189406966 + 16189406967.

It is an arithmetic number, because the mean of its divisors is an integer number (16189406967).

Almost surely, 2^32378813933 is an apocalyptic number.

It is an amenable number.

32378813933 is a deficient number, since it is larger than the sum of its proper divisors (1).

32378813933 is an equidigital number, since it uses as much as digits as its factorization.

32378813933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 50.

The spelling of 32378813933 in words is "thirty-two billion, three hundred seventy-eight million, eight hundred thirteen thousand, nine hundred thirty-three".