4266662946381 has 24 divisors (see below), whose sum is σ = 6726540344160. Its totient is φ = 2584581760800.

The previous prime is 4266662946353. The next prime is 4266662946391. The reversal of 4266662946381 is 1836492666624.

It is not a de Polignac number, because 4266662946381 - 2⁵ = 4266662946349 is a prime.

It is a super-2 number, since 2×4266662946381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4266662946391) 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, 10419535 + ... + 10821276.

It is an arithmetic number, because the mean of its divisors is an integer number (280272514340).

Almost surely, 2^{4266662946381} is an apocalyptic number.

It is an amenable number.

4266662946381 is a deficient number, since it is larger than the sum of its proper divisors (2459877397779).

4266662946381 is a wasteful number, since it uses less digits than its factorization.

4266662946381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21242857 (or 21242854 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 63.

The spelling of 4266662946381 in words is "four trillion, two hundred sixty-six billion, six hundred sixty-two million, nine hundred forty-six thousand, three hundred eighty-one".