2726421006469 has 2 divisors, whose sum is σ = 2726421006470. Its totient is φ = 2726421006468.

The previous prime is 2726421006467. The next prime is 2726421006487. The reversal of 2726421006469 is 9646001246272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1670654481444 + 1055766525025 = 1292538^2 + 1027505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2726421006469 - 2¹ = 2726421006467 is a prime.

It is a super-2 number, since 2×2726421006469² (a number of 26 digits) contains 22 as substring.

Together with 2726421006467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2726421006467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363210503234 + 1363210503235.

It is an arithmetic number, because the mean of its divisors is an integer number (1363210503235).

Almost surely, 2^{2726421006469} is an apocalyptic number.

It is an amenable number.

2726421006469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2726421006469 is an equidigital number, since it uses as much as digits as its factorization.

2726421006469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 2726421006469 in words is "two trillion, seven hundred twenty-six billion, four hundred twenty-one million, six thousand, four hundred sixty-nine".