7125273889 has 4 divisors (see below), whose sum is σ = 7129184256. Its totient is φ = 7121363524.

The previous prime is 7125273851. The next prime is 7125273901. The reversal of 7125273889 is 9883725217.

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 7125273889 - 2¹⁹ = 7124749601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7125273829) 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, 1952449 + ... + 1956094.

It is an arithmetic number, because the mean of its divisors is an integer number (1782296064).

Almost surely, 2^7125273889 is an apocalyptic number.

It is an amenable number.

7125273889 is a deficient number, since it is larger than the sum of its proper divisors (3910367).

7125273889 is a wasteful number, since it uses less digits than its factorization.

7125273889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910366.

The product of its digits is 1693440, while the sum is 52.

The square root of 7125273889 is about 84411.3374434975. The cubic root of 7125273889 is about 1924.2752217465.

The spelling of 7125273889 in words is "seven billion, one hundred twenty-five million, two hundred seventy-three thousand, eight hundred eighty-nine".