39145254193 has 2 divisors, whose sum is σ = 39145254194. Its totient is φ = 39145254192.

The previous prime is 39145254167. The next prime is 39145254233.

39145254193 is nontrivially palindromic in base 10.

39145254193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28690600689 + 10454653504 = 169383^2 + 102248^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39145254193 is a prime.

It is not a weakly prime, because it can be changed into another prime (39145254793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19572627096 + 19572627097.

It is an arithmetic number, because the mean of its divisors is an integer number (19572627097).

Almost surely, 2^39145254193 is an apocalyptic number.

It is an amenable number.

39145254193 is a deficient number, since it is larger than the sum of its proper divisors (1).

39145254193 is an equidigital number, since it uses as much as digits as its factorization.

39145254193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The spelling of 39145254193 in words is "thirty-nine billion, one hundred forty-five million, two hundred fifty-four thousand, one hundred ninety-three".