7213643577 has 12 divisors (see below), whose sum is σ = 11908237120. Its totient is φ = 4122082008.

The previous prime is 7213643539. The next prime is 7213643651. The reversal of 7213643577 is 7753463127.

7213643577 is a `hidden beast` number, since 7 + 2 + 1 + 36 + 43 + 577 = 666.

It is not a de Polignac number, because 7213643577 - 2¹⁹ = 7213119289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7213643977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57251077 + ... + 57251202.

Almost surely, 2^7213643577 is an apocalyptic number.

It is an amenable number.

7213643577 is a deficient number, since it is larger than the sum of its proper divisors (4694593543).

7213643577 is a wasteful number, since it uses less digits than its factorization.

7213643577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114502292 (or 114502289 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 7213643577 is about 84933.1712406878. The cubic root of 7213643577 is about 1932.1976967107.

The spelling of 7213643577 in words is "seven billion, two hundred thirteen million, six hundred forty-three thousand, five hundred seventy-seven".