2734626023221 has 2 divisors, whose sum is σ = 2734626023222. Its totient is φ = 2734626023220.

The previous prime is 2734626023203. The next prime is 2734626023267. The reversal of 2734626023221 is 1223206264372.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2639292668100 + 95333355121 = 1624590^2 + 308761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2734626023221 - 2⁷ = 2734626023093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2734626023821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367313011610 + 1367313011611.

It is an arithmetic number, because the mean of its divisors is an integer number (1367313011611).

Almost surely, 2^{2734626023221} is an apocalyptic number.

It is an amenable number.

2734626023221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2734626023221 is an equidigital number, since it uses as much as digits as its factorization.

2734626023221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 2734626023221 in words is "two trillion, seven hundred thirty-four billion, six hundred twenty-six million, twenty-three thousand, two hundred twenty-one".