48434677981 has 4 divisors (see below), whose sum is σ = 48435207264. Its totient is φ = 48434148700.

The previous prime is 48434677957. The next prime is 48434677999. The reversal of 48434677981 is 18977643484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 48434677981 - 2¹⁵ = 48434645213 is a prime.

It is a super-2 number, since 2×48434677981² (a number of 22 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 (42434677981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88135 + ... + 323476.

It is an arithmetic number, because the mean of its divisors is an integer number (12108801816).

Almost surely, 2^48434677981 is an apocalyptic number.

It is an amenable number.

48434677981 is a deficient number, since it is larger than the sum of its proper divisors (529283).

48434677981 is a wasteful number, since it uses less digits than its factorization.

48434677981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529282.

The product of its digits is 32514048, while the sum is 61.

The spelling of 48434677981 in words is "forty-eight billion, four hundred thirty-four million, six hundred seventy-seven thousand, nine hundred eighty-one".