34920217918907 has 2 divisors, whose sum is σ = 34920217918908. Its totient is φ = 34920217918906.

The previous prime is 34920217918879. The next prime is 34920217918951. The reversal of 34920217918907 is 70981971202943.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34920217918907 - 2¹⁴ = 34920217902523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34920217918907.

It is not a weakly prime, because it can be changed into another prime (34920217918207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17460108959453 + 17460108959454.

It is an arithmetic number, because the mean of its divisors is an integer number (17460108959454).

Almost surely, 2^{34920217918907} is an apocalyptic number.

34920217918907 is a deficient number, since it is larger than the sum of its proper divisors (1).

34920217918907 is an equidigital number, since it uses as much as digits as its factorization.

34920217918907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 34920217918907 in words is "thirty-four trillion, nine hundred twenty billion, two hundred seventeen million, nine hundred eighteen thousand, nine hundred seven".