7213146577 has 12 divisors (see below), whose sum is σ = 9036250356. Its totient is φ = 5707104480.

The previous prime is 7213146569. The next prime is 7213146601. The reversal of 7213146577 is 7756413127.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2670925761 + 4542220816 = 51681^2 + 67396^2 .

It is not a de Polignac number, because 7213146577 - 2³ = 7213146569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7213146077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5661174 + ... + 5662447.

It is an arithmetic number, because the mean of its divisors is an integer number (753020863).

Almost surely, 2^7213146577 is an apocalyptic number.

It is an amenable number.

7213146577 is a deficient number, since it is larger than the sum of its proper divisors (1823103779).

7213146577 is a wasteful number, since it uses less digits than its factorization.

7213146577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323648 (or 11323641 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 7213146577 is about 84930.2453605310. The cubic root of 7213146577 is about 1932.1533213406.

The spelling of 7213146577 in words is "seven billion, two hundred thirteen million, one hundred forty-six thousand, five hundred seventy-seven".