9515220573 has 8 divisors (see below), whose sum is σ = 12752697088. Its totient is φ = 6310612224.

The previous prime is 9515220541. The next prime is 9515220581. The reversal of 9515220573 is 3750225159.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9515220573 - 2⁵ = 9515220541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9515220503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8216365 + ... + 8217522.

It is an arithmetic number, because the mean of its divisors is an integer number (1594087136).

Almost surely, 2^9515220573 is an apocalyptic number.

It is an amenable number.

9515220573 is a deficient number, since it is larger than the sum of its proper divisors (3237476515).

9515220573 is a wasteful number, since it uses less digits than its factorization.

9515220573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16434083.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 9515220573 is about 97545.9920909106. The cubic root of 9515220573 is about 2119.0422703953.

The spelling of 9515220573 in words is "nine billion, five hundred fifteen million, two hundred twenty thousand, five hundred seventy-three".