244120135499 has 4 divisors (see below), whose sum is σ = 244124222064. Its totient is φ = 244116048936.

The previous prime is 244120135487. The next prime is 244120135531. The reversal of 244120135499 is 994531021442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244120135499 - 2³² = 239825168203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244120135409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952327 + ... + 2073600.

It is an arithmetic number, because the mean of its divisors is an integer number (61031055516).

Almost surely, 2^244120135499 is an apocalyptic number.

244120135499 is a deficient number, since it is larger than the sum of its proper divisors (4086565).

244120135499 is an equidigital number, since it uses as much as digits as its factorization.

244120135499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086564.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 244120135499 in words is "two hundred forty-four billion, one hundred twenty million, one hundred thirty-five thousand, four hundred ninety-nine".