2121627349 has 2 divisors, whose sum is σ = 2121627350. Its totient is φ = 2121627348.

The previous prime is 2121627317. The next prime is 2121627407. The reversal of 2121627349 is 9437261212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1976424849 + 145202500 = 44457^2 + 12050^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121627349 - 2⁵ = 2121627317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121627749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060813674 + 1060813675.

It is an arithmetic number, because the mean of its divisors is an integer number (1060813675).

Almost surely, 2^2121627349 is an apocalyptic number.

It is an amenable number.

2121627349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121627349 is an equidigital number, since it uses as much as digits as its factorization.

2121627349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 2121627349 is about 46061.1262237475. The cubic root of 2121627349 is about 1284.9602755362.

The spelling of 2121627349 in words is "two billion, one hundred twenty-one million, six hundred twenty-seven thousand, three hundred forty-nine".