48716051981 has 8 divisors (see below), whose sum is σ = 49089915000. Its totient is φ = 48342814720.

The previous prime is 48716051953. The next prime is 48716051987. The reversal of 48716051981 is 18915061784.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 154878025 + 48561173956 = 12445^2 + 220366^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48716051981 is a prime.

It is a super-2 number, since 2×48716051981² (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 (48716051987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461 + ... + 312141.

It is an arithmetic number, because the mean of its divisors is an integer number (6136239375).

Almost surely, 2^48716051981 is an apocalyptic number.

It is an amenable number.

48716051981 is a deficient number, since it is larger than the sum of its proper divisors (373863019).

48716051981 is a wasteful number, since it uses less digits than its factorization.

48716051981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312879.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 48716051981 in words is "forty-eight billion, seven hundred sixteen million, fifty-one thousand, nine hundred eighty-one".