39602445618097 has 2 divisors, whose sum is σ = 39602445618098. Its totient is φ = 39602445618096.

The previous prime is 39602445618091. The next prime is 39602445618101. The reversal of 39602445618097 is 79081654420693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24538856376241 + 15063589241856 = 4953671^2 + 3881184^2 .

It is a cyclic number.

It is not a de Polignac number, because 39602445618097 - 2³ = 39602445618089 is a prime.

It is not a weakly prime, because it can be changed into another prime (39602445618091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19801222809048 + 19801222809049.

It is an arithmetic number, because the mean of its divisors is an integer number (19801222809049).

It is a 1-persistent number, because it is pandigital, but 2⋅39602445618097 = 79204891236194 is not.

Almost surely, 2^{39602445618097} is an apocalyptic number.

It is an amenable number.

39602445618097 is a deficient number, since it is larger than the sum of its proper divisors (1).

39602445618097 is an equidigital number, since it uses as much as digits as its factorization.

39602445618097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 39602445618097 in words is "thirty-nine trillion, six hundred two billion, four hundred forty-five million, six hundred eighteen thousand, ninety-seven".