965691481 has 4 divisors (see below), whose sum is σ = 965755152. Its totient is φ = 965627812.

The previous prime is 965691383. The next prime is 965691487. The reversal of 965691481 is 184196569.

965691481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 965691481 - 2¹¹ = 965689433 is a prime.

It is a super-2 number, since 2×965691481² = 1865120072951946722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (965691487) 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, 5550 + ... + 44296.

It is an arithmetic number, because the mean of its divisors is an integer number (241438788).

Almost surely, 2^965691481 is an apocalyptic number.

It is an amenable number.

965691481 is a deficient number, since it is larger than the sum of its proper divisors (63671).

965691481 is a wasteful number, since it uses less digits than its factorization.

965691481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63670.

The product of its digits is 466560, while the sum is 49.

The square root of 965691481 is about 31075.5769214346. The cubic root of 965691481 is about 988.4304896367.

The spelling of 965691481 in words is "nine hundred sixty-five million, six hundred ninety-one thousand, four hundred eighty-one".