5640239201 has 2 divisors, whose sum is σ = 5640239202. Its totient is φ = 5640239200.

The previous prime is 5640239177. The next prime is 5640239249. The reversal of 5640239201 is 1029320465.

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., 3913753600 + 1726485601 = 62560^2 + 41551^2 .

It is a cyclic number.

It is not a de Polignac number, because 5640239201 - 2²⁶ = 5573130337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5640289201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820119600 + 2820119601.

It is an arithmetic number, because the mean of its divisors is an integer number (2820119601).

Almost surely, 2^5640239201 is an apocalyptic number.

It is an amenable number.

5640239201 is a deficient number, since it is larger than the sum of its proper divisors (1).

5640239201 is an equidigital number, since it uses as much as digits as its factorization.

5640239201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 5640239201 is about 75101.5259565343. The cubic root of 5640239201 is about 1780.0512547838.

Adding to 5640239201 its reverse (1029320465), we get a palindrome (6669559666).

The spelling of 5640239201 in words is "five billion, six hundred forty million, two hundred thirty-nine thousand, two hundred one".