32475799249 has 2 divisors, whose sum is σ = 32475799250. Its totient is φ = 32475799248.

The previous prime is 32475799199. The next prime is 32475799253. The reversal of 32475799249 is 94299757423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30672268225 + 1803531024 = 175135^2 + 42468^2 .

It is an emirp because it is prime and its reverse (94299757423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32475799249 - 2¹³ = 32475791057 is a prime.

It is a super-2 number, since 2×32475799249² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32475799289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16237899624 + 16237899625.

It is an arithmetic number, because the mean of its divisors is an integer number (16237899625).

Almost surely, 2^32475799249 is an apocalyptic number.

It is an amenable number.

32475799249 is a deficient number, since it is larger than the sum of its proper divisors (1).

32475799249 is an equidigital number, since it uses as much as digits as its factorization.

32475799249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 61.

The spelling of 32475799249 in words is "thirty-two billion, four hundred seventy-five million, seven hundred ninety-nine thousand, two hundred forty-nine".