4266420026461 has 4 divisors (see below), whose sum is σ = 4310403738172. Its totient is φ = 4222436314752.

The previous prime is 4266420026399. The next prime is 4266420026471. The reversal of 4266420026461 is 1646200246624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 995566923961 + 3270853102500 = 997781^2 + 1808550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4266420026461 - 2³³ = 4257830091869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4266420026471) 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, 21991855710 + ... + 21991855903.

It is an arithmetic number, because the mean of its divisors is an integer number (1077600934543).

Almost surely, 2^{4266420026461} is an apocalyptic number.

It is an amenable number.

4266420026461 is a deficient number, since it is larger than the sum of its proper divisors (43983711711).

4266420026461 is an equidigital number, since it uses as much as digits as its factorization.

4266420026461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43983711710.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 4266420026461 in words is "four trillion, two hundred sixty-six billion, four hundred twenty million, twenty-six thousand, four hundred sixty-one".