6139721014399 has 4 divisors (see below), whose sum is σ = 7016824016464. Its totient is φ = 5262618012336.

The previous prime is 6139721014397. The next prime is 6139721014439. The reversal of 6139721014399 is 9934101279316.

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 6139721014399 - 2¹ = 6139721014397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139721014397) 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, 438551501022 + ... + 438551501035.

It is an arithmetic number, because the mean of its divisors is an integer number (1754206004116).

Almost surely, 2^{6139721014399} is an apocalyptic number.

6139721014399 is a deficient number, since it is larger than the sum of its proper divisors (877103002065).

6139721014399 is an equidigital number, since it uses as much as digits as its factorization.

6139721014399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877103002064.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 6139721014399 in words is "six trillion, one hundred thirty-nine billion, seven hundred twenty-one million, fourteen thousand, three hundred ninety-nine".