4266643374891 has 24 divisors (see below), whose sum is σ = 6183309191904. Its totient is φ = 2835025549440.

The previous prime is 4266643374881. The next prime is 4266643374923. The reversal of 4266643374891 is 1984733466624.

It is not a de Polignac number, because 4266643374891 - 2⁶ = 4266643374827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4266643374821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19264615 + ... + 19484831.

It is an arithmetic number, because the mean of its divisors is an integer number (257637882996).

Almost surely, 2^{4266643374891} is an apocalyptic number.

4266643374891 is a deficient number, since it is larger than the sum of its proper divisors (1916665817013).

4266643374891 is a wasteful number, since it uses less digits than its factorization.

4266643374891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227331 (or 227328 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 63.

The spelling of 4266643374891 in words is "four trillion, two hundred sixty-six billion, six hundred forty-three million, three hundred seventy-four thousand, eight hundred ninety-one".