48743766981 has 40 divisors (see below), whose sum is σ = 89618183424. Its totient is φ = 25710994080.

The previous prime is 48743766947. The next prime is 48743766989. The reversal of 48743766981 is 18966734784.

48743766981 is a `hidden beast` number, since 487 + 4 + 3 + 7 + 66 + 98 + 1 = 666.

It is not a de Polignac number, because 48743766981 - 2¹⁷ = 48743635909 is a prime.

It is a super-2 number, since 2×48743766981² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48743766989) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3299085 + ... + 3313826.

Almost surely, 2^48743766981 is an apocalyptic number.

It is an amenable number.

48743766981 is a deficient number, since it is larger than the sum of its proper divisors (40874416443).

48743766981 is a wasteful number, since it uses less digits than its factorization.

48743766981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612943 (or 6612934 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 48743766981 in words is "forty-eight billion, seven hundred forty-three million, seven hundred sixty-six thousand, nine hundred eighty-one".