5143157229609 has 81 divisors (see below), whose sum is σ = 8759087050077. Its totient is φ = 2899622417328.

The previous prime is 5143157229601. The next prime is 5143157229773. The reversal of 5143157229609 is 9069227513415.

The square root of 5143157229609 is 2267853.

It is a perfect power (a square), and thus also a powerful number.

5143157229609 is a `hidden beast` number, since 5 + 1 + 4 + 3 + 1 + 5 + 7 + 2 + 29 + 609 = 666.

It is not a de Polignac number, because 5143157229609 - 2³ = 5143157229601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5143157229601) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3762367444 + ... + 3762368810.

Almost surely, 2^{5143157229609} is an apocalyptic number.

5143157229609 is the 2267853-rd square number.

5143157229609 is the 1133927-th centered octagonal number.

It is an amenable number.

5143157229609 is a deficient number, since it is larger than the sum of its proper divisors (3615929820468).

5143157229609 is an frugal number, since it uses more digits than its factorization.

5143157229609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 5143157229609 in words is "five trillion, one hundred forty-three billion, one hundred fifty-seven million, two hundred twenty-nine thousand, six hundred nine".