6722370139 has 2 divisors, whose sum is σ = 6722370140. Its totient is φ = 6722370138.

The previous prime is 6722370131. The next prime is 6722370157. The reversal of 6722370139 is 9310732276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6722370139 - 2³ = 6722370131 is a prime.

It is not a weakly prime, because it can be changed into another prime (6722370131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361185069 + 3361185070.

It is an arithmetic number, because the mean of its divisors is an integer number (3361185070).

Almost surely, 2^6722370139 is an apocalyptic number.

6722370139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6722370139 is an equidigital number, since it uses as much as digits as its factorization.

6722370139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 6722370139 is about 81990.0612208577. The cubic root of 6722370139 is about 1887.2994230030.

The spelling of 6722370139 in words is "six billion, seven hundred twenty-two million, three hundred seventy thousand, one hundred thirty-nine".