54343681739 has 4 divisors (see below), whose sum is σ = 54346004856. Its totient is φ = 54341358624.

The previous prime is 54343681729. The next prime is 54343681741. The reversal of 54343681739 is 93718634345.

54343681739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54343681739 - 2⁴ = 54343681723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54343681729) 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, 1126109 + ... + 1173374.

It is an arithmetic number, because the mean of its divisors is an integer number (13586501214).

Almost surely, 2^54343681739 is an apocalyptic number.

54343681739 is a deficient number, since it is larger than the sum of its proper divisors (2323117).

54343681739 is a wasteful number, since it uses less digits than its factorization.

54343681739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323116.

The product of its digits is 6531840, while the sum is 53.

The spelling of 54343681739 in words is "fifty-four billion, three hundred forty-three million, six hundred eighty-one thousand, seven hundred thirty-nine".