964121144867 has 4 divisors (see below), whose sum is σ = 964174069920. Its totient is φ = 964068219816.

The previous prime is 964121144807. The next prime is 964121144893. The reversal of 964121144867 is 768441121469.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964121144867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964121144807) 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, 26435192 + ... + 26471637.

It is an arithmetic number, because the mean of its divisors is an integer number (241043517480).

Almost surely, 2^964121144867 is an apocalyptic number.

964121144867 is a deficient number, since it is larger than the sum of its proper divisors (52925053).

964121144867 is a wasteful number, since it uses less digits than its factorization.

964121144867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52925052.

The product of its digits is 2322432, while the sum is 53.

The spelling of 964121144867 in words is "nine hundred sixty-four billion, one hundred twenty-one million, one hundred forty-four thousand, eight hundred sixty-seven".