34694878447 has 2 divisors, whose sum is σ = 34694878448. Its totient is φ = 34694878446.

The previous prime is 34694878409. The next prime is 34694878481. The reversal of 34694878447 is 74487849643.

It is a strong prime.

It is an emirp because it is prime and its reverse (74487849643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34694878447 - 2²³ = 34686489839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34694878487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17347439223 + 17347439224.

It is an arithmetic number, because the mean of its divisors is an integer number (17347439224).

Almost surely, 2^34694878447 is an apocalyptic number.

34694878447 is a deficient number, since it is larger than the sum of its proper divisors (1).

34694878447 is an equidigital number, since it uses as much as digits as its factorization.

34694878447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130056192, while the sum is 64.

The spelling of 34694878447 in words is "thirty-four billion, six hundred ninety-four million, eight hundred seventy-eight thousand, four hundred forty-seven".