842619481 has 4 divisors (see below), whose sum is σ = 919221264. Its totient is φ = 766017700.

The previous prime is 842619457. The next prime is 842619539. The reversal of 842619481 is 184916248.

842619481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 842619481 - 2¹⁵ = 842586713 is a prime.

It is a super-2 number, since 2×842619481² = 1420015179521418722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842614481) 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, 38300875 + ... + 38300896.

It is an arithmetic number, because the mean of its divisors is an integer number (229805316).

Almost surely, 2^842619481 is an apocalyptic number.

It is an amenable number.

842619481 is a deficient number, since it is larger than the sum of its proper divisors (76601783).

842619481 is a wasteful number, since it uses less digits than its factorization.

842619481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76601782.

The product of its digits is 110592, while the sum is 43.

The square root of 842619481 is about 29027.9086570149. The cubic root of 842619481 is about 944.5185648090.

The spelling of 842619481 in words is "eight hundred forty-two million, six hundred nineteen thousand, four hundred eighty-one".