32513309407 has 2 divisors, whose sum is σ = 32513309408. Its totient is φ = 32513309406.

The previous prime is 32513309401. The next prime is 32513309417. The reversal of 32513309407 is 70490331523.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32513309407 - 2³¹ = 30365825759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32513309401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16256654703 + 16256654704.

It is an arithmetic number, because the mean of its divisors is an integer number (16256654704).

Almost surely, 2^32513309407 is an apocalyptic number.

32513309407 is a deficient number, since it is larger than the sum of its proper divisors (1).

32513309407 is an equidigital number, since it uses as much as digits as its factorization.

32513309407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

The spelling of 32513309407 in words is "thirty-two billion, five hundred thirteen million, three hundred nine thousand, four hundred seven".