5145431889 has 32 divisors (see below), whose sum is σ = 7459127424. Its totient is φ = 3136181760.

The previous prime is 5145431869. The next prime is 5145431947. The reversal of 5145431889 is 9881345415.

It is a happy number.

It is not a de Polignac number, because 5145431889 - 2¹⁹ = 5144907601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5145431839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3274474 + ... + 3276044.

It is an arithmetic number, because the mean of its divisors is an integer number (233097732).

Almost surely, 2^5145431889 is an apocalyptic number.

It is an amenable number.

5145431889 is a deficient number, since it is larger than the sum of its proper divisors (2313695535).

5145431889 is a wasteful number, since it uses less digits than its factorization.

5145431889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337.

The product of its digits is 691200, while the sum is 48.

The square root of 5145431889 is about 71731.6658735875. The cubic root of 5145431889 is about 1726.3967558891.

The spelling of 5145431889 in words is "five billion, one hundred forty-five million, four hundred thirty-one thousand, eight hundred eighty-nine".