6922879129 has 2 divisors, whose sum is σ = 6922879130. Its totient is φ = 6922879128.

The previous prime is 6922879109. The next prime is 6922879141. The reversal of 6922879129 is 9219782296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5424027904 + 1498851225 = 73648^2 + 38715^2 .

It is a cyclic number.

It is not a de Polignac number, because 6922879129 - 2⁵ = 6922879097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6922879129.

It is not a weakly prime, because it can be changed into another prime (6922879109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461439564 + 3461439565.

It is an arithmetic number, because the mean of its divisors is an integer number (3461439565).

Almost surely, 2^6922879129 is an apocalyptic number.

It is an amenable number.

6922879129 is a deficient number, since it is larger than the sum of its proper divisors (1).

6922879129 is an equidigital number, since it uses as much as digits as its factorization.

6922879129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 55.

The square root of 6922879129 is about 83203.8408308174. The cubic root of 6922879129 is about 1905.8801332114.

The spelling of 6922879129 in words is "six billion, nine hundred twenty-two million, eight hundred seventy-nine thousand, one hundred twenty-nine".