842195059 has 4 divisors (see below), whose sum is σ = 842253480. Its totient is φ = 842136640.

The previous prime is 842195041. The next prime is 842195077. The reversal of 842195059 is 950591248.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (842195041) and next prime (842195077).

It is a cyclic number.

It is not a de Polignac number, because 842195059 - 2⁵ = 842195027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842195099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9624 + ... + 42154.

It is an arithmetic number, because the mean of its divisors is an integer number (210563370).

Almost surely, 2^842195059 is an apocalyptic number.

842195059 is a deficient number, since it is larger than the sum of its proper divisors (58421).

842195059 is a wasteful number, since it uses less digits than its factorization.

842195059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58420.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 842195059 is about 29020.5971509892. The cubic root of 842195059 is about 944.3599555387.

The spelling of 842195059 in words is "eight hundred forty-two million, one hundred ninety-five thousand, fifty-nine".