48729406781 has 16 divisors (see below), whose sum is σ = 56310863040. Its totient is φ = 41675470080.

The previous prime is 48729406769. The next prime is 48729406787. The reversal of 48729406781 is 18760492784.

It is a de Polignac number, because none of the positive numbers 2^k-48729406781 is a prime.

It is a super-2 number, since 2×48729406781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48729406787) 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, 383375 + ... + 494403.

It is an arithmetic number, because the mean of its divisors is an integer number (3519428940).

Almost surely, 2^48729406781 is an apocalyptic number.

It is an amenable number.

48729406781 is a deficient number, since it is larger than the sum of its proper divisors (7581456259).

48729406781 is a wasteful number, since it uses less digits than its factorization.

48729406781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113404.

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 48729406781 in words is "forty-eight billion, seven hundred twenty-nine million, four hundred six thousand, seven hundred eighty-one".