1842075797 has 2 divisors, whose sum is σ = 1842075798. Its totient is φ = 1842075796.

The previous prime is 1842075751. The next prime is 1842075799. The reversal of 1842075797 is 7975702481.

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., 1835179921 + 6895876 = 42839^2 + 2626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1842075797 - 2⁶ = 1842075733 is a prime.

Together with 1842075799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1842075799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921037898 + 921037899.

It is an arithmetic number, because the mean of its divisors is an integer number (921037899).

Almost surely, 2^1842075797 is an apocalyptic number.

It is an amenable number.

1842075797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842075797 is an equidigital number, since it uses as much as digits as its factorization.

1842075797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 50.

The square root of 1842075797 is about 42919.4104922237. The cubic root of 1842075797 is about 1225.8457681699.

The spelling of 1842075797 in words is "one billion, eight hundred forty-two million, seventy-five thousand, seven hundred ninety-seven".