5144763181 has 4 divisors (see below), whose sum is σ = 5145256864. Its totient is φ = 5144269500.

The previous prime is 5144763139. The next prime is 5144763187. The reversal of 5144763181 is 1813674415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5144763181 - 2¹¹ = 5144761133 is a prime.

It is a super-2 number, since 2×5144763181² = 52937176377146477522, 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 (5144763187) 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, 230865 + ... + 252166.

It is an arithmetic number, because the mean of its divisors is an integer number (1286314216).

Almost surely, 2^5144763181 is an apocalyptic number.

It is an amenable number.

5144763181 is a deficient number, since it is larger than the sum of its proper divisors (493683).

5144763181 is a wasteful number, since it uses less digits than its factorization.

5144763181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493682.

The product of its digits is 80640, while the sum is 40.

The square root of 5144763181 is about 71727.0045450108. The cubic root of 5144763181 is about 1726.3219642836.

The spelling of 5144763181 in words is "five billion, one hundred forty-four million, seven hundred sixty-three thousand, one hundred eighty-one".