5091867619 has 4 divisors (see below), whose sum is σ = 5178170520. Its totient is φ = 5005564720.

The previous prime is 5091867617. The next prime is 5091867643. The reversal of 5091867619 is 9167681905.

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

It is not a de Polignac number, because 5091867619 - 2¹ = 5091867617 is a prime.

It is a super-2 number, since 2×5091867619² = 51854231698841458322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5091867617) 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, 43151362 + ... + 43151479.

It is an arithmetic number, because the mean of its divisors is an integer number (1294542630).

Almost surely, 2^5091867619 is an apocalyptic number.

5091867619 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

5091867619 is a deficient number, since it is larger than the sum of its proper divisors (86302901).

5091867619 is an equidigital number, since it uses as much as digits as its factorization.

5091867619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86302900.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 5091867619 is about 71357.3235134278. The cubic root of 5091867619 is about 1720.3852142206.

The spelling of 5091867619 in words is "five billion, ninety-one million, eight hundred sixty-seven thousand, six hundred nineteen".