2264644080421 has 2 divisors, whose sum is σ = 2264644080422. Its totient is φ = 2264644080420.

The previous prime is 2264644080409. The next prime is 2264644080427. The reversal of 2264644080421 is 1240804464622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1688622280900 + 576021799521 = 1299470^2 + 758961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2264644080421 - 2⁵ = 2264644080389 is a prime.

It is a super-2 number, since 2×2264644080421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2264644080427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132322040210 + 1132322040211.

It is an arithmetic number, because the mean of its divisors is an integer number (1132322040211).

Almost surely, 2^{2264644080421} is an apocalyptic number.

It is an amenable number.

2264644080421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2264644080421 is an equidigital number, since it uses as much as digits as its factorization.

2264644080421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 43.

The spelling of 2264644080421 in words is "two trillion, two hundred sixty-four billion, six hundred forty-four million, eighty thousand, four hundred twenty-one".