964091697 has 4 divisors (see below), whose sum is σ = 1285455600. Its totient is φ = 642727796.

The previous prime is 964091693. The next prime is 964091707. The reversal of 964091697 is 796190469.

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.

It is a cyclic number.

It is not a de Polignac number, because 964091697 - 2² = 964091693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (964091693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160681947 + ... + 160681952.

It is an arithmetic number, because the mean of its divisors is an integer number (321363900).

Almost surely, 2^964091697 is an apocalyptic number.

It is an amenable number.

964091697 is a deficient number, since it is larger than the sum of its proper divisors (321363903).

964091697 is a wasteful number, since it uses less digits than its factorization.

964091697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321363902.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 964091697 is about 31049.8260381600. The cubic root of 964091697 is about 987.8843699878.

The spelling of 964091697 in words is "nine hundred sixty-four million, ninety-one thousand, six hundred ninety-seven".