244513801953 has 20 divisors (see below), whose sum is σ = 365278505988. Its totient is φ = 163001548800.

The previous prime is 244513801871. The next prime is 244513802009. The reversal of 244513801953 is 359108315442.

244513801953 is a `hidden beast` number, since 2 + 4 + 4 + 513 + 80 + 1 + 9 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 218754514944 + 25759287009 = 467712^2 + 160497^2 .

It is not a de Polignac number, because 244513801953 - 2¹⁷ = 244513670881 is a prime.

It is a super-2 number, since 2×244513801953² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244513801899 and 244513801908.

It is not an unprimeable number, because it can be changed into a prime (244513801853) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2057353 + ... + 2172953.

Almost surely, 2^244513801953 is an apocalyptic number.

It is an amenable number.

244513801953 is a deficient number, since it is larger than the sum of its proper divisors (120764704035).

244513801953 is a wasteful number, since it uses less digits than its factorization.

244513801953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141726 (or 141717 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 244513801953 in words is "two hundred forty-four billion, five hundred thirteen million, eight hundred one thousand, nine hundred fifty-three".