9421532765 has 4 divisors (see below), whose sum is σ = 11305839324. Its totient is φ = 7537226208.

The previous prime is 9421532761. The next prime is 9421532767. The reversal of 9421532765 is 5672351249.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7201049881 + 2220482884 = 84859^2 + 47122^2 .

It is a cyclic number.

It is not a de Polignac number, because 9421532765 - 2² = 9421532761 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9421532761) 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, 942153272 + ... + 942153281.

It is an arithmetic number, because the mean of its divisors is an integer number (2826459831).

Almost surely, 2^9421532765 is an apocalyptic number.

It is an amenable number.

9421532765 is a deficient number, since it is larger than the sum of its proper divisors (1884306559).

9421532765 is a wasteful number, since it uses less digits than its factorization.

9421532765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884306558.

The product of its digits is 453600, while the sum is 44.

The square root of 9421532765 is about 97064.5803833716. The cubic root of 9421532765 is about 2112.0645519618.

The spelling of 9421532765 in words is "nine billion, four hundred twenty-one million, five hundred thirty-two thousand, seven hundred sixty-five".