244729991145023 has 4 divisors (see below), whose sum is σ = 247678545255288. Its totient is φ = 241781437034760.

The previous prime is 244729991144911. The next prime is 244729991145047. The reversal of 244729991145023 is 320541199927442.

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 244729991145023 - 2³⁰ = 244728917403199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244729991148023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474277055008 + ... + 1474277055173.

It is an arithmetic number, because the mean of its divisors is an integer number (61919636313822).

Almost surely, 2^{244729991145023} is an apocalyptic number.

244729991145023 is a deficient number, since it is larger than the sum of its proper divisors (2948554110265).

244729991145023 is an equidigital number, since it uses as much as digits as its factorization.

244729991145023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948554110264.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 244729991145023 in words is "two hundred forty-four trillion, seven hundred twenty-nine billion, nine hundred ninety-one million, one hundred forty-five thousand, twenty-three".