4000539292779 has 4 divisors (see below), whose sum is σ = 5334052390376. Its totient is φ = 2667026195184.

The previous prime is 4000539292759. The next prime is 4000539292787. The reversal of 4000539292779 is 9772929350004.

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

It is not a de Polignac number, because 4000539292779 - 2⁸ = 4000539292523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000539292759) 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, 666756548794 + ... + 666756548799.

It is an arithmetic number, because the mean of its divisors is an integer number (1333513097594).

Almost surely, 2^{4000539292779} is an apocalyptic number.

4000539292779 is a deficient number, since it is larger than the sum of its proper divisors (1333513097597).

4000539292779 is a wasteful number, since it uses less digits than its factorization.

4000539292779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333513097596.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 4000539292779 in words is "four trillion, five hundred thirty-nine million, two hundred ninety-two thousand, seven hundred seventy-nine".