964354643 has 12 divisors (see below), whose sum is σ = 1152121392. Its totient is φ = 804247920.

The previous prime is 964354639. The next prime is 964354687. The reversal of 964354643 is 346453469.

It is not a de Polignac number, because 964354643 - 2² = 964354639 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 964354594 and 964354603.

It is not an unprimeable number, because it can be changed into a prime (964354043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264143 + ... + 267768.

It is an arithmetic number, because the mean of its divisors is an integer number (96010116).

Almost surely, 2^964354643 is an apocalyptic number.

964354643 is a deficient number, since it is larger than the sum of its proper divisors (187766749).

964354643 is a wasteful number, since it uses less digits than its factorization.

964354643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531962 (or 531955 counting only the distinct ones).

The product of its digits is 933120, while the sum is 44.

The square root of 964354643 is about 31054.0600083145. The cubic root of 964354643 is about 987.9741735588.

The spelling of 964354643 in words is "nine hundred sixty-four million, three hundred fifty-four thousand, six hundred forty-three".