9611965475 has 48 divisors (see below), whose sum is σ = 13793807616. Its totient is φ = 6508080000.

The previous prime is 9611965417. The next prime is 9611965481. The reversal of 9611965475 is 5745691169.

It is not a de Polignac number, because 9611965475 - 2¹⁸ = 9611703331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12213032 + ... + 12213818.

It is an arithmetic number, because the mean of its divisors is an integer number (287370992).

Almost surely, 2^9611965475 is an apocalyptic number.

9611965475 is a deficient number, since it is larger than the sum of its proper divisors (4181842141).

9611965475 is a wasteful number, since it uses less digits than its factorization.

9611965475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1591 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 53.

The square root of 9611965475 is about 98040.6317554105. The cubic root of 9611965475 is about 2126.1997727704.

The spelling of 9611965475 in words is "nine billion, six hundred eleven million, nine hundred sixty-five thousand, four hundred seventy-five".