67949099 has 2 divisors, whose sum is σ = 67949100. Its totient is φ = 67949098.

The previous prime is 67949093. The next prime is 67949113. The reversal of 67949099 is 99094976.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67949099 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67949099.

It is not a weakly prime, because it can be changed into another prime (67949093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33974549 + 33974550.

It is an arithmetic number, because the mean of its divisors is an integer number (33974550).

Almost surely, 2^67949099 is an apocalyptic number.

67949099 is a deficient number, since it is larger than the sum of its proper divisors (1).

67949099 is an equidigital number, since it uses as much as digits as its factorization.

67949099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 67949099 is about 8243.1243469937. The cubic root of 67949099 is about 408.0636414725.

The spelling of 67949099 in words is "sixty-seven million, nine hundred forty-nine thousand, ninety-nine".