3842578452017 has 2 divisors, whose sum is σ = 3842578452018. Its totient is φ = 3842578452016.

The previous prime is 3842578451963. The next prime is 3842578452071. The reversal of 3842578452017 is 7102548752483.

It is a happy number.

Together with next prime (3842578452071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (3842578451963) and next prime (3842578452071).

It can be written as a sum of positive squares in only one way, i.e., 2718488678656 + 1124089773361 = 1648784^2 + 1060231^2 .

It is an emirp because it is prime and its reverse (7102548752483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3842578452017 - 2²⁸ = 3842310016561 is a prime.

It is not a weakly prime, because it can be changed into another prime (3842578452077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1921289226008 + 1921289226009.

It is an arithmetic number, because the mean of its divisors is an integer number (1921289226009).

Almost surely, 2^{3842578452017} is an apocalyptic number.

It is an amenable number.

3842578452017 is a deficient number, since it is larger than the sum of its proper divisors (1).

3842578452017 is an equidigital number, since it uses as much as digits as its factorization.

3842578452017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 3842578452017 in words is "three trillion, eight hundred forty-two billion, five hundred seventy-eight million, four hundred fifty-two thousand, seventeen".