6969836129 has 2 divisors, whose sum is σ = 6969836130. Its totient is φ = 6969836128.

The previous prime is 6969836117. The next prime is 6969836131. The reversal of 6969836129 is 9216389696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6966406225 + 3429904 = 83465^2 + 1852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6969836129 is a prime.

It is a super-2 number, since 2×6969836129² = 97157231330227409282, which contains 22 as substring.

Together with 6969836131, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (6969830129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3484918064 + 3484918065.

It is an arithmetic number, because the mean of its divisors is an integer number (3484918065).

Almost surely, 2^6969836129 is an apocalyptic number.

It is an amenable number.

6969836129 is a deficient number, since it is larger than the sum of its proper divisors (1).

6969836129 is an equidigital number, since it uses as much as digits as its factorization.

6969836129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 59.

The square root of 6969836129 is about 83485.5444313565. The cubic root of 6969836129 is about 1910.1795404264.

The spelling of 6969836129 in words is "six billion, nine hundred sixty-nine million, eight hundred thirty-six thousand, one hundred twenty-nine".