3026664255421 has 4 divisors (see below), whose sum is σ = 3108465992092. Its totient is φ = 2944862518752.

The previous prime is 3026664255409. The next prime is 3026664255443. The reversal of 3026664255421 is 1245524666203.

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 2632217452921 + 394446802500 = 1622411^2 + 628050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3026664255421 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 (3026664255221) 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, 40900868280 + ... + 40900868353.

It is an arithmetic number, because the mean of its divisors is an integer number (777116498023).

Almost surely, 2^{3026664255421} is an apocalyptic number.

It is an amenable number.

3026664255421 is a deficient number, since it is larger than the sum of its proper divisors (81801736671).

3026664255421 is an equidigital number, since it uses as much as digits as its factorization.

3026664255421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81801736670.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 3026664255421 in words is "three trillion, twenty-six billion, six hundred sixty-four million, two hundred fifty-five thousand, four hundred twenty-one".