6942678751 has 2 divisors, whose sum is σ = 6942678752. Its totient is φ = 6942678750.

The previous prime is 6942678733. The next prime is 6942678761. The reversal of 6942678751 is 1578762496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6942678751 - 2¹⁷ = 6942547679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6942678692 and 6942678701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6942678761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471339375 + 3471339376.

It is an arithmetic number, because the mean of its divisors is an integer number (3471339376).

Almost surely, 2^6942678751 is an apocalyptic number.

6942678751 is a deficient number, since it is larger than the sum of its proper divisors (1).

6942678751 is an equidigital number, since it uses as much as digits as its factorization.

6942678751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 55.

The square root of 6942678751 is about 83322.7384991636. The cubic root of 6942678751 is about 1907.6953600612.

The spelling of 6942678751 in words is "six billion, nine hundred forty-two million, six hundred seventy-eight thousand, seven hundred fifty-one".