5891392618 has 4 divisors (see below), whose sum is σ = 8837088930. Its totient is φ = 2945696308.

The previous prime is 5891392609. The next prime is 5891392669. The reversal of 5891392618 is 8162931985.

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

It can be written as a sum of positive squares in only one way, i.e., 5856381729 + 35010889 = 76527^2 + 5917^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472848153 + ... + 1472848156.

Almost surely, 2^5891392618 is an apocalyptic number.

5891392618 is a deficient number, since it is larger than the sum of its proper divisors (2945696312).

5891392618 is a wasteful number, since it uses less digits than its factorization.

5891392618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945696311.

The product of its digits is 933120, while the sum is 52.

The square root of 5891392618 is about 76755.4077443407. The cubic root of 5891392618 is about 1806.0897257675.

The spelling of 5891392618 in words is "five billion, eight hundred ninety-one million, three hundred ninety-two thousand, six hundred eighteen".