6929297987 has 2 divisors, whose sum is σ = 6929297988. Its totient is φ = 6929297986.

The previous prime is 6929297957. The next prime is 6929298001. The reversal of 6929297987 is 7897929296.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6929297987 - 2⁸ = 6929297731 is a prime.

It is not a weakly prime, because it can be changed into another prime (6929297957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3464648993 + 3464648994.

It is an arithmetic number, because the mean of its divisors is an integer number (3464648994).

Almost surely, 2^6929297987 is an apocalyptic number.

6929297987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6929297987 is an equidigital number, since it uses as much as digits as its factorization.

6929297987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61725888, while the sum is 68.

The square root of 6929297987 is about 83242.4049808750. The cubic root of 6929297987 is about 1906.4689920127.

The spelling of 6929297987 in words is "six billion, nine hundred twenty-nine million, two hundred ninety-seven thousand, nine hundred eighty-seven".