2340021401 has 2 divisors, whose sum is σ = 2340021402. Its totient is φ = 2340021400.

The previous prime is 2340021379. The next prime is 2340021433. The reversal of 2340021401 is 1041200432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1908379225 + 431642176 = 43685^2 + 20776^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340021401 - 2¹⁰ = 2340020377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2340021401.

It is not a weakly prime, because it can be changed into another prime (2340021461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170010700 + 1170010701.

It is an arithmetic number, because the mean of its divisors is an integer number (1170010701).

Almost surely, 2^2340021401 is an apocalyptic number.

It is an amenable number.

2340021401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340021401 is an equidigital number, since it uses as much as digits as its factorization.

2340021401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2340021401 is about 48373.7676948984. The cubic root of 2340021401 is about 1327.6184415821.

Adding to 2340021401 its reverse (1041200432), we get a palindrome (3381221833).

The spelling of 2340021401 in words is "two billion, three hundred forty million, twenty-one thousand, four hundred one".