2421201259 has 4 divisors (see below), whose sum is σ = 2435196816. Its totient is φ = 2407205704.

The previous prime is 2421201247. The next prime is 2421201269. The reversal of 2421201259 is 9521021242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9521021242 = 2 ⋅4760510621.

It is a cyclic number.

It is not a de Polignac number, because 2421201259 - 2⁷ = 2421201131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421201239) 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 in 3 ways as a sum of consecutive naturals, for example, 6997519 + ... + 6997864.

It is an arithmetic number, because the mean of its divisors is an integer number (608799204).

Almost surely, 2^2421201259 is an apocalyptic number.

2421201259 is a deficient number, since it is larger than the sum of its proper divisors (13995557).

2421201259 is a wasteful number, since it uses less digits than its factorization.

2421201259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13995556.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2421201259 is about 49205.7035210350. The cubic root of 2421201259 is about 1342.7967981662.

The spelling of 2421201259 in words is "two billion, four hundred twenty-one million, two hundred one thousand, two hundred fifty-nine".