9615481915 has 8 divisors (see below), whose sum is σ = 12426161328. Its totient is φ = 7100663520.

The previous prime is 9615481907. The next prime is 9615481921. The reversal of 9615481915 is 5191845169.

It is a happy number.

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

It is not a de Polignac number, because 9615481915 - 2³ = 9615481907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73965181 + ... + 73965310.

It is an arithmetic number, because the mean of its divisors is an integer number (1553270166).

Almost surely, 2^9615481915 is an apocalyptic number.

9615481915 is a deficient number, since it is larger than the sum of its proper divisors (2810679413).

9615481915 is a wasteful number, since it uses less digits than its factorization.

9615481915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147930509.

The product of its digits is 388800, while the sum is 49.

The square root of 9615481915 is about 98058.5637004744. The cubic root of 9615481915 is about 2126.4590240263.

The spelling of 9615481915 in words is "nine billion, six hundred fifteen million, four hundred eighty-one thousand, nine hundred fifteen".