32246134721 has 2 divisors, whose sum is σ = 32246134722. Its totient is φ = 32246134720.

The previous prime is 32246134693. The next prime is 32246134741. The reversal of 32246134721 is 12743164223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29364592321 + 2881542400 = 171361^2 + 53680^2 .

It is a cyclic number.

It is not a de Polignac number, because 32246134721 - 2²² = 32241940417 is a prime.

It is not a weakly prime, because it can be changed into another prime (32246134741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16123067360 + 16123067361.

It is an arithmetic number, because the mean of its divisors is an integer number (16123067361).

Almost surely, 2^32246134721 is an apocalyptic number.

It is an amenable number.

32246134721 is a deficient number, since it is larger than the sum of its proper divisors (1).

32246134721 is an equidigital number, since it uses as much as digits as its factorization.

32246134721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

Adding to 32246134721 its reverse (12743164223), we get a palindrome (44989298944).

The spelling of 32246134721 in words is "thirty-two billion, two hundred forty-six million, one hundred thirty-four thousand, seven hundred twenty-one".