5819687121 has 8 divisors (see below), whose sum is σ = 7760695360. Its totient is φ = 3879235152.

The previous prime is 5819687119. The next prime is 5819687131. The reversal of 5819687121 is 1217869185.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5819687121 - 2¹ = 5819687119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5819687131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114010 + ... + 156963.

It is an arithmetic number, because the mean of its divisors is an integer number (970086920).

Almost surely, 2^5819687121 is an apocalyptic number.

It is an amenable number.

5819687121 is a deficient number, since it is larger than the sum of its proper divisors (1941008239).

5819687121 is a wasteful number, since it uses less digits than its factorization.

5819687121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278135.

The product of its digits is 241920, while the sum is 48.

The square root of 5819687121 is about 76286.8738447185. The cubic root of 5819687121 is about 1798.7323503688.

The spelling of 5819687121 in words is "five billion, eight hundred nineteen million, six hundred eighty-seven thousand, one hundred twenty-one".