6928998025387 has 2 divisors, whose sum is σ = 6928998025388. Its totient is φ = 6928998025386.

The previous prime is 6928998025351. The next prime is 6928998025403. The reversal of 6928998025387 is 7835208998296.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6928998025387 - 2²⁷ = 6928863807659 is a prime.

It is a super-2 number, since 2×6928998025387² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6928998025987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464499012693 + 3464499012694.

It is an arithmetic number, because the mean of its divisors is an integer number (3464499012694).

Almost surely, 2^{6928998025387} is an apocalyptic number.

6928998025387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6928998025387 is an equidigital number, since it uses as much as digits as its factorization.

6928998025387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940584960, while the sum is 76.

The spelling of 6928998025387 in words is "six trillion, nine hundred twenty-eight billion, nine hundred ninety-eight million, twenty-five thousand, three hundred eighty-seven".