5109819591 has 16 divisors (see below), whose sum is σ = 7222521600. Its totient is φ = 3202313088.

The previous prime is 5109819571. The next prime is 5109819599. The reversal of 5109819591 is 1959189015.

It is not a de Polignac number, because 5109819591 - 2⁶ = 5109819527 is a prime.

It is a super-2 number, since 2×5109819591² = 52220512505134814562, 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 5109819591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109819599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16921 + ... + 102498.

It is an arithmetic number, because the mean of its divisors is an integer number (451407600).

Almost surely, 2^5109819591 is an apocalyptic number.

5109819591 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5109819591 is a deficient number, since it is larger than the sum of its proper divisors (2112702009).

5109819591 is a wasteful number, since it uses less digits than its factorization.

5109819591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120278.

The product of its (nonzero) digits is 145800, while the sum is 48.

The square root of 5109819591 is about 71483.0021123903. The cubic root of 5109819591 is about 1722.4046489363.

The spelling of 5109819591 in words is "five billion, one hundred nine million, eight hundred nineteen thousand, five hundred ninety-one".