32472991489 has 4 divisors (see below), whose sum is σ = 32473414656. Its totient is φ = 32472568324.

The previous prime is 32472991471. The next prime is 32472991493. The reversal of 32472991489 is 98419927423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 32472991489 - 2¹¹ = 32472989441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32472991189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60529 + ... + 261934.

It is an arithmetic number, because the mean of its divisors is an integer number (8118353664).

Almost surely, 2^32472991489 is an apocalyptic number.

It is an amenable number.

32472991489 is a deficient number, since it is larger than the sum of its proper divisors (423167).

32472991489 is a wasteful number, since it uses less digits than its factorization.

32472991489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423166.

The product of its digits is 7838208, while the sum is 58.

The spelling of 32472991489 in words is "thirty-two billion, four hundred seventy-two million, nine hundred ninety-one thousand, four hundred eighty-nine".