5439829640691 has 4 divisors (see below), whose sum is σ = 7253106187592. Its totient is φ = 3626553093792.

The previous prime is 5439829640647. The next prime is 5439829640723. The reversal of 5439829640691 is 1960469289345.

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

It is not a de Polignac number, because 5439829640691 - 2⁶ = 5439829640627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5439829640621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906638273446 + ... + 906638273451.

It is an arithmetic number, because the mean of its divisors is an integer number (1813276546898).

Almost surely, 2^{5439829640691} is an apocalyptic number.

5439829640691 is a deficient number, since it is larger than the sum of its proper divisors (1813276546901).

5439829640691 is a wasteful number, since it uses less digits than its factorization.

5439829640691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813276546900.

The product of its (nonzero) digits is 100776960, while the sum is 66.

The spelling of 5439829640691 in words is "five trillion, four hundred thirty-nine billion, eight hundred twenty-nine million, six hundred forty thousand, six hundred ninety-one".