6493722139 has 8 divisors (see below), whose sum is σ = 6520681440. Its totient is φ = 6466784256.

The previous prime is 6493722073. The next prime is 6493722143. The reversal of 6493722139 is 9312273946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6493722139 - 2¹¹ = 6493720091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6493722149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926442 + ... + 933424.

It is an arithmetic number, because the mean of its divisors is an integer number (815085180).

Almost surely, 2^6493722139 is an apocalyptic number.

6493722139 is a deficient number, since it is larger than the sum of its proper divisors (26959301).

6493722139 is a wasteful number, since it uses less digits than its factorization.

6493722139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10709.

The product of its digits is 489888, while the sum is 46.

The square root of 6493722139 is about 80583.6344365281. The cubic root of 6493722139 is about 1865.6545595863.

It can be divided in two parts, 649372 and 2139, that added together give a triangular number (651511 = T₁₁₄₁).

The spelling of 6493722139 in words is "six billion, four hundred ninety-three million, seven hundred twenty-two thousand, one hundred thirty-nine".