6926345639 has 2 divisors, whose sum is σ = 6926345640. Its totient is φ = 6926345638.

The previous prime is 6926345627. The next prime is 6926345653. The reversal of 6926345639 is 9365436296.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6926345639 - 2⁴ = 6926345623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6926345669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3463172819 + 3463172820.

It is an arithmetic number, because the mean of its divisors is an integer number (3463172820).

Almost surely, 2^6926345639 is an apocalyptic number.

6926345639 is a deficient number, since it is larger than the sum of its proper divisors (1).

6926345639 is an equidigital number, since it uses as much as digits as its factorization.

6926345639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6298560, while the sum is 53.

The square root of 6926345639 is about 83224.6696538953. The cubic root of 6926345639 is about 1906.1981921185.

The spelling of 6926345639 in words is "six billion, nine hundred twenty-six million, three hundred forty-five thousand, six hundred thirty-nine".