244700031142747 has 4 divisors (see below), whose sum is σ = 257578980150280. Its totient is φ = 231821082135216.

The previous prime is 244700031142703. The next prime is 244700031142781. The reversal of 244700031142747 is 747241130007442.

It is a happy number.

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

It is not a de Polignac number, because 244700031142747 - 2¹⁵ = 244700031109979 is a prime.

It is a super-2 number, since 2×244700031142747² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244700031142697 and 244700031142706.

It is not an unprimeable number, because it can be changed into a prime (244700031145747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6439474503738 + ... + 6439474503775.

It is an arithmetic number, because the mean of its divisors is an integer number (64394745037570).

Almost surely, 2^{244700031142747} is an apocalyptic number.

244700031142747 is a deficient number, since it is larger than the sum of its proper divisors (12878949007533).

244700031142747 is a wasteful number, since it uses less digits than its factorization.

244700031142747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878949007532.

The product of its (nonzero) digits is 1053696, while the sum is 46.

The spelling of 244700031142747 in words is "two hundred forty-four trillion, seven hundred billion, thirty-one million, one hundred forty-two thousand, seven hundred forty-seven".