7143875876809 has 15 divisors (see below), whose sum is σ = 8334178749357. Its totient is φ = 6123209922396.

The previous prime is 7143875876803. The next prime is 7143875876989. The reversal of 7143875876809 is 9086785783417.

The square root of 7143875876809 is 2672803.

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

It is not a de Polignac number, because 7143875876809 - 2¹³ = 7143875868617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7143875876803) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 130940074 + ... + 130994620.

Almost surely, 2^{7143875876809} is an apocalyptic number.

7143875876809 is the 2672803-rd square number.

7143875876809 is the 1336402-nd centered octagonal number.

It is an amenable number.

7143875876809 is a deficient number, since it is larger than the sum of its proper divisors (1190302872548).

7143875876809 is an frugal number, since it uses more digits than its factorization.

7143875876809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109122 (or 54554 counting only the distinct ones).

The product of its (nonzero) digits is 568995840, while the sum is 73.

The spelling of 7143875876809 in words is "seven trillion, one hundred forty-three billion, eight hundred seventy-five million, eight hundred seventy-six thousand, eight hundred nine".