39606455401 has 2 divisors, whose sum is σ = 39606455402. Its totient is φ = 39606455400.

The previous prime is 39606455323. The next prime is 39606455411. The reversal of 39606455401 is 10455460693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34797171600 + 4809283801 = 186540^2 + 69349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39606455401 is a prime.

It is not a weakly prime, because it can be changed into another prime (39606455411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19803227700 + 19803227701.

It is an arithmetic number, because the mean of its divisors is an integer number (19803227701).

Almost surely, 2^39606455401 is an apocalyptic number.

It is an amenable number.

39606455401 is a deficient number, since it is larger than the sum of its proper divisors (1).

39606455401 is an equidigital number, since it uses as much as digits as its factorization.

39606455401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 39606455401 in words is "thirty-nine billion, six hundred six million, four hundred fifty-five thousand, four hundred one".