5385917842 has 4 divisors (see below), whose sum is σ = 8078876766. Its totient is φ = 2692958920.

The previous prime is 5385917827. The next prime is 5385917857. The reversal of 5385917842 is 2487195835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5385917827) and next prime (5385917857).

It can be written as a sum of positive squares in only one way, i.e., 3883657761 + 1502260081 = 62319^2 + 38759^2 .

It is a super-2 number, since 2×5385917842² = 58016222001547873928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5385917842.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346479459 + ... + 1346479462.

Almost surely, 2^5385917842 is an apocalyptic number.

5385917842 is a deficient number, since it is larger than the sum of its proper divisors (2692958924).

5385917842 is a wasteful number, since it uses less digits than its factorization.

5385917842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692958923.

The product of its digits is 2419200, while the sum is 52.

The square root of 5385917842 is about 73388.8127850560. The cubic root of 5385917842 is about 1752.8842605140.

The spelling of 5385917842 in words is "five billion, three hundred eighty-five million, nine hundred seventeen thousand, eight hundred forty-two".