964545641 has 4 divisors (see below), whose sum is σ = 1006482432. Its totient is φ = 922608852.

The previous prime is 964545613. The next prime is 964545649. The reversal of 964545641 is 146545469.

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 964545641 - 2¹⁰ = 964544617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 964545592 and 964545601.

It is not an unprimeable number, because it can be changed into a prime (964545649) 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, 20968361 + ... + 20968406.

It is an arithmetic number, because the mean of its divisors is an integer number (251620608).

Almost surely, 2^964545641 is an apocalyptic number.

It is an amenable number.

964545641 is a deficient number, since it is larger than the sum of its proper divisors (41936791).

964545641 is a wasteful number, since it uses less digits than its factorization.

964545641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41936790.

The product of its digits is 518400, while the sum is 44.

The square root of 964545641 is about 31057.1351061234. The cubic root of 964545641 is about 988.0393945975.

The spelling of 964545641 in words is "nine hundred sixty-four million, five hundred forty-five thousand, six hundred forty-one".