32400420113 has 2 divisors, whose sum is σ = 32400420114. Its totient is φ = 32400420112.

The previous prime is 32400420001. The next prime is 32400420119. The reversal of 32400420113 is 31102400423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31875460369 + 524959744 = 178537^2 + 22912^2 .

It is a cyclic number.

It is not a de Polignac number, because 32400420113 - 2¹⁰ = 32400419089 is a prime.

It is not a weakly prime, because it can be changed into another prime (32400420119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16200210056 + 16200210057.

It is an arithmetic number, because the mean of its divisors is an integer number (16200210057).

Almost surely, 2^32400420113 is an apocalyptic number.

It is an amenable number.

32400420113 is a deficient number, since it is larger than the sum of its proper divisors (1).

32400420113 is an equidigital number, since it uses as much as digits as its factorization.

32400420113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 32400420113 its reverse (31102400423), we get a palindrome (63502820536).

The spelling of 32400420113 in words is "thirty-two billion, four hundred million, four hundred twenty thousand, one hundred thirteen".