6928744988413 has 2 divisors, whose sum is σ = 6928744988414. Its totient is φ = 6928744988412.

The previous prime is 6928744988411. The next prime is 6928744988423. The reversal of 6928744988413 is 3148894478296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6793128087769 + 135616900644 = 2606363^2 + 368262^2 .

It is a cyclic number.

It is not a de Polignac number, because 6928744988413 - 2¹ = 6928744988411 is a prime.

It is a super-2 number, since 2×6928744988413² (a number of 26 digits) contains 22 as substring.

Together with 6928744988411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6928744988411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464372494206 + 3464372494207.

It is an arithmetic number, because the mean of its divisors is an integer number (3464372494207).

Almost surely, 2^{6928744988413} is an apocalyptic number.

It is an amenable number.

6928744988413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6928744988413 is an equidigital number, since it uses as much as digits as its factorization.

6928744988413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 668860416, while the sum is 73.

The spelling of 6928744988413 in words is "six trillion, nine hundred twenty-eight billion, seven hundred forty-four million, nine hundred eighty-eight thousand, four hundred thirteen".