244625116981 has 16 divisors (see below), whose sum is σ = 286164578304. Its totient is φ = 204754056624.

The previous prime is 244625116943. The next prime is 244625117003. The reversal of 244625116981 is 189611526442.

It is a cyclic number.

It is not a de Polignac number, because 244625116981 - 2⁹ = 244625116469 is a prime.

It is a super-2 number, since 2×244625116981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244625156981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693465 + ... + 984958.

It is an arithmetic number, because the mean of its divisors is an integer number (17885286144).

Almost surely, 2^244625116981 is an apocalyptic number.

It is an amenable number.

244625116981 is a deficient number, since it is larger than the sum of its proper divisors (41539461323).

244625116981 is a wasteful number, since it uses less digits than its factorization.

244625116981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678920.

The product of its digits is 829440, while the sum is 49.

The spelling of 244625116981 in words is "two hundred forty-four billion, six hundred twenty-five million, one hundred sixteen thousand, nine hundred eighty-one".