32475798991 has 2 divisors, whose sum is σ = 32475798992. Its totient is φ = 32475798990.

The previous prime is 32475798941. The next prime is 32475799061. The reversal of 32475798991 is 19989757423.

It is a weak prime.

It is an emirp because it is prime and its reverse (19989757423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32475798991 - 2¹⁵ = 32475766223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32475798941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16237899495 + 16237899496.

It is an arithmetic number, because the mean of its divisors is an integer number (16237899496).

Almost surely, 2^32475798991 is an apocalyptic number.

32475798991 is a deficient number, since it is larger than the sum of its proper divisors (1).

32475798991 is an equidigital number, since it uses as much as digits as its factorization.

32475798991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 64.

The spelling of 32475798991 in words is "thirty-two billion, four hundred seventy-five million, seven hundred ninety-eight thousand, nine hundred ninety-one".