9015680243 has 4 divisors (see below), whose sum is σ = 9015973800. Its totient is φ = 9015386688.

The previous prime is 9015680213. The next prime is 9015680273. The reversal of 9015680243 is 3420865109.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (9015680213) and next prime (9015680273).

It is a cyclic number.

It is not a de Polignac number, because 9015680243 - 2¹⁴ = 9015663859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9015680197 and 9015680206.

It is not an unprimeable number, because it can be changed into a prime (9015680213) 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, 94505 + ... + 164202.

It is an arithmetic number, because the mean of its divisors is an integer number (2253993450).

Almost surely, 2^9015680243 is an apocalyptic number.

9015680243 is a deficient number, since it is larger than the sum of its proper divisors (293557).

9015680243 is a wasteful number, since it uses less digits than its factorization.

9015680243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293556.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 9015680243 is about 94950.9359774826. The cubic root of 9015680243 is about 2081.2911303207.

The spelling of 9015680243 in words is "nine billion, fifteen million, six hundred eighty thousand, two hundred forty-three".