2153421341 has 2 divisors, whose sum is σ = 2153421342. Its totient is φ = 2153421340.

The previous prime is 2153421317. The next prime is 2153421359. The reversal of 2153421341 is 1431243512.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1793522500 + 359898841 = 42350^2 + 18971^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153421341 - 2²² = 2149227037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2153421341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153421371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076710670 + 1076710671.

It is an arithmetic number, because the mean of its divisors is an integer number (1076710671).

Almost surely, 2^2153421341 is an apocalyptic number.

It is an amenable number.

2153421341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153421341 is an equidigital number, since it uses as much as digits as its factorization.

2153421341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 2153421341 is about 46404.9710806935. The cubic root of 2153421341 is about 1291.3471376634.

Adding to 2153421341 its reverse (1431243512), we get a palindrome (3584664853).

It can be divided in two parts, 21534 and 21341, that added together give a cube (42875 = 35³).

The spelling of 2153421341 in words is "two billion, one hundred fifty-three million, four hundred twenty-one thousand, three hundred forty-one".