34949391287 has 2 divisors, whose sum is σ = 34949391288. Its totient is φ = 34949391286.

The previous prime is 34949391271. The next prime is 34949391317. The reversal of 34949391287 is 78219394943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34949391287 - 2⁴ = 34949391271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34949391187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17474695643 + 17474695644.

It is an arithmetic number, because the mean of its divisors is an integer number (17474695644).

Almost surely, 2^34949391287 is an apocalyptic number.

34949391287 is a deficient number, since it is larger than the sum of its proper divisors (1).

34949391287 is an equidigital number, since it uses as much as digits as its factorization.

34949391287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 59.

The spelling of 34949391287 in words is "thirty-four billion, nine hundred forty-nine million, three hundred ninety-one thousand, two hundred eighty-seven".