2259936421 has 2 divisors, whose sum is σ = 2259936422. Its totient is φ = 2259936420.

The previous prime is 2259936401. The next prime is 2259936451. The reversal of 2259936421 is 1246399522.

2259936421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2257580196 + 2356225 = 47514^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259936421 - 2¹¹ = 2259934373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2259936401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129968210 + 1129968211.

It is an arithmetic number, because the mean of its divisors is an integer number (1129968211).

Almost surely, 2^2259936421 is an apocalyptic number.

It is an amenable number.

2259936421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259936421 is an equidigital number, since it uses as much as digits as its factorization.

2259936421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 43.

The square root of 2259936421 is about 47538.7885941575. The cubic root of 2259936421 is about 1312.2968119142.

The spelling of 2259936421 in words is "two billion, two hundred fifty-nine million, nine hundred thirty-six thousand, four hundred twenty-one".