39623550097 has 2 divisors, whose sum is σ = 39623550098. Its totient is φ = 39623550096.

The previous prime is 39623550059. The next prime is 39623550101. The reversal of 39623550097 is 79005532693.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39413763841 + 209786256 = 198529^2 + 14484^2 .

It is a cyclic number.

It is not a de Polignac number, because 39623550097 - 2¹¹ = 39623548049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39623550097.

It is not a weakly prime, because it can be changed into another prime (39623550047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19811775048 + 19811775049.

It is an arithmetic number, because the mean of its divisors is an integer number (19811775049).

Almost surely, 2^39623550097 is an apocalyptic number.

It is an amenable number.

39623550097 is a deficient number, since it is larger than the sum of its proper divisors (1).

39623550097 is an equidigital number, since it uses as much as digits as its factorization.

39623550097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1530900, while the sum is 49.

The spelling of 39623550097 in words is "thirty-nine billion, six hundred twenty-three million, five hundred fifty thousand, ninety-seven".