7143515413 has 4 divisors (see below), whose sum is σ = 7563722220. Its totient is φ = 6723308608.

The previous prime is 7143515387. The next prime is 7143515459. The reversal of 7143515413 is 3145153417.

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 6486208369 + 657307044 = 80537^2 + 25638^2 .

It is a cyclic number.

It is not a de Polignac number, because 7143515413 - 2⁹ = 7143514901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7143515213) 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, 210103378 + ... + 210103411.

It is an arithmetic number, because the mean of its divisors is an integer number (1890930555).

Almost surely, 2^7143515413 is an apocalyptic number.

It is an amenable number.

7143515413 is a deficient number, since it is larger than the sum of its proper divisors (420206807).

7143515413 is a wasteful number, since it uses less digits than its factorization.

7143515413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420206806.

The product of its digits is 25200, while the sum is 34.

The square root of 7143515413 is about 84519.3197618154. The cubic root of 7143515413 is about 1925.9159446579.

The spelling of 7143515413 in words is "seven billion, one hundred forty-three million, five hundred fifteen thousand, four hundred thirteen".