7351722889 has 6 divisors (see below), whose sum is σ = 8552004234. Its totient is φ = 6301476720.

The previous prime is 7351722887. The next prime is 7351722899. The reversal of 7351722889 is 9882271537.

It can be written as a sum of positive squares in only one way, i.e., 6323430400 + 1028292489 = 79520^2 + 32067^2 .

It is not a de Polignac number, because 7351722889 - 2¹ = 7351722887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7351722887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75017532 + ... + 75017629.

It is an arithmetic number, because the mean of its divisors is an integer number (1425334039).

Almost surely, 2^7351722889 is an apocalyptic number.

It is an amenable number.

7351722889 is a deficient number, since it is larger than the sum of its proper divisors (1200281345).

7351722889 is a wasteful number, since it uses less digits than its factorization.

7351722889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150035175 (or 150035168 counting only the distinct ones).

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

The square root of 7351722889 is about 85742.1885013440. The cubic root of 7351722889 is about 1944.4481918091.

The spelling of 7351722889 in words is "seven billion, three hundred fifty-one million, seven hundred twenty-two thousand, eight hundred eighty-nine".