5109039973 has 4 divisors (see below), whose sum is σ = 5109569388. Its totient is φ = 5108510560.

The previous prime is 5109039917. The next prime is 5109039983. The reversal of 5109039973 is 3799309015.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3650334724 + 1458705249 = 60418^2 + 38193^2 .

It is a cyclic number.

It is not a de Polignac number, because 5109039973 - 2²⁹ = 4572169061 is a prime.

It is a super-2 number, since 2×5109039973² = 52204578891423681458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109039983) 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, 249958 + ... + 269623.

It is an arithmetic number, because the mean of its divisors is an integer number (1277392347).

Almost surely, 2^5109039973 is an apocalyptic number.

It is an amenable number.

5109039973 is a deficient number, since it is larger than the sum of its proper divisors (529415).

5109039973 is an equidigital number, since it uses as much as digits as its factorization.

5109039973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529414.

The product of its (nonzero) digits is 229635, while the sum is 46.

The square root of 5109039973 is about 71477.5487338507. The cubic root of 5109039973 is about 1722.3170472808.

The spelling of 5109039973 in words is "five billion, one hundred nine million, thirty-nine thousand, nine hundred seventy-three".