32972786461 has 2 divisors, whose sum is σ = 32972786462. Its totient is φ = 32972786460.

The previous prime is 32972786459. The next prime is 32972786501. The reversal of 32972786461 is 16468727923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28198805625 + 4773980836 = 167925^2 + 69094^2 .

It is a cyclic number.

It is not a de Polignac number, because 32972786461 - 2¹ = 32972786459 is a prime.

Together with 32972786459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32972786411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16486393230 + 16486393231.

It is an arithmetic number, because the mean of its divisors is an integer number (16486393231).

Almost surely, 2^32972786461 is an apocalyptic number.

It is an amenable number.

32972786461 is a deficient number, since it is larger than the sum of its proper divisors (1).

32972786461 is an equidigital number, since it uses as much as digits as its factorization.

32972786461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The spelling of 32972786461 in words is "thirty-two billion, nine hundred seventy-two million, seven hundred eighty-six thousand, four hundred sixty-one".