6734135987 has 2 divisors, whose sum is σ = 6734135988. Its totient is φ = 6734135986.

The previous prime is 6734135953. The next prime is 6734136007. The reversal of 6734135987 is 7895314376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6734135987 - 2⁸ = 6734135731 is a prime.

It is not a weakly prime, because it can be changed into another prime (6734132987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3367067993 + 3367067994.

It is an arithmetic number, because the mean of its divisors is an integer number (3367067994).

Almost surely, 2^6734135987 is an apocalyptic number.

6734135987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6734135987 is an equidigital number, since it uses as much as digits as its factorization.

6734135987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 53.

The square root of 6734135987 is about 82061.7815246537. The cubic root of 6734135987 is about 1888.3998650138.

The spelling of 6734135987 in words is "six billion, seven hundred thirty-four million, one hundred thirty-five thousand, nine hundred eighty-seven".