32972786469 has 24 divisors (see below), whose sum is σ = 54735370560. Its totient is φ = 18736325568.

The previous prime is 32972786461. The next prime is 32972786501. The reversal of 32972786469 is 96468727923.

32972786469 is a `hidden beast` number, since 3 + 2 + 97 + 2 + 7 + 86 + 469 = 666.

It is not a de Polignac number, because 32972786469 - 2³ = 32972786461 is a prime.

It is a super-2 number, since 2×32972786469² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32972786461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1450672 + ... + 1473225.

It is an arithmetic number, because the mean of its divisors is an integer number (2280640440).

Almost surely, 2^32972786469 is an apocalyptic number.

It is an amenable number.

32972786469 is a deficient number, since it is larger than the sum of its proper divisors (21762584091).

32972786469 is a wasteful number, since it uses less digits than its factorization.

32972786469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924089 (or 2924086 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 32972786469 in words is "thirty-two billion, nine hundred seventy-two million, seven hundred eighty-six thousand, four hundred sixty-nine".