49595463981 has 12 divisors (see below), whose sum is σ = 81871877152. Its totient is φ = 28340265096.

The previous prime is 49595463913. The next prime is 49595464021. The reversal of 49595463981 is 18936459594.

49595463981 is a `hidden beast` number, since 4 + 9 + 5 + 9 + 546 + 3 + 9 + 81 = 666.

It is not a de Polignac number, because 49595463981 - 2¹⁰ = 49595462957 is a prime.

It is a super-2 number, since 2×49595463981² (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), and also a Moran number because the ratio is a prime number: 787229587 = 49595463981 / (4 + 9 + 5 + 9 + 5 + 4 + 6 + 3 + 9 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49595463481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393614731 + ... + 393614856.

Almost surely, 2^49595463981 is an apocalyptic number.

It is an amenable number.

49595463981 is a deficient number, since it is larger than the sum of its proper divisors (32276413171).

49595463981 is a wasteful number, since it uses less digits than its factorization.

49595463981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787229600 (or 787229597 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 49595463981 in words is "forty-nine billion, five hundred ninety-five million, four hundred sixty-three thousand, nine hundred eighty-one".