964493697 has 4 divisors (see below), whose sum is σ = 1285991600. Its totient is φ = 642995796.

The previous prime is 964493693. The next prime is 964493701. The reversal of 964493697 is 796394469.

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 an interprime number because it is at equal distance from previous prime (964493693) and next prime (964493701).

It is not a de Polignac number, because 964493697 - 2² = 964493693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964493693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160748947 + ... + 160748952.

It is an arithmetic number, because the mean of its divisors is an integer number (321497900).

Almost surely, 2^964493697 is an apocalyptic number.

It is an amenable number.

964493697 is a deficient number, since it is larger than the sum of its proper divisors (321497903).

964493697 is a wasteful number, since it uses less digits than its factorization.

964493697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321497902.

The product of its digits is 8817984, while the sum is 57.

The square root of 964493697 is about 31056.2988297060. The cubic root of 964493697 is about 988.0216578735.

The spelling of 964493697 in words is "nine hundred sixty-four million, four hundred ninety-three thousand, six hundred ninety-seven".