32438780433 has 12 divisors (see below), whose sum is σ = 47740092660. Its totient is φ = 21217818336.

The previous prime is 32438780369. The next prime is 32438780443. The reversal of 32438780433 is 33408783423.

It can be written as a sum of positive squares in 2 ways, for example, as 16680497409 + 15758283024 = 129153^2 + 125532^2 .

It is not a de Polignac number, because 32438780433 - 2⁶ = 32438780369 is a prime.

It is a super-3 number, since 3×32438780433³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (32438780443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34002438 + ... + 34003391.

It is an arithmetic number, because the mean of its divisors is an integer number (3978341055).

Almost surely, 2^32438780433 is an apocalyptic number.

It is an amenable number.

32438780433 is a deficient number, since it is larger than the sum of its proper divisors (15301312227).

32438780433 is a wasteful number, since it uses less digits than its factorization.

32438780433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68005888 (or 68005885 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 32438780433 in words is "thirty-two billion, four hundred thirty-eight million, seven hundred eighty thousand, four hundred thirty-three".