347454877249 has 2 divisors, whose sum is σ = 347454877250. Its totient is φ = 347454877248.

The previous prime is 347454877243. The next prime is 347454877291. The reversal of 347454877249 is 942778454743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286412280625 + 61042596624 = 535175^2 + 247068^2 .

It is a cyclic number.

It is not a de Polignac number, because 347454877249 - 2¹⁵ = 347454844481 is a prime.

It is not a weakly prime, because it can be changed into another prime (347454877243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173727438624 + 173727438625.

It is an arithmetic number, because the mean of its divisors is an integer number (173727438625).

Almost surely, 2^347454877249 is an apocalyptic number.

It is an amenable number.

347454877249 is a deficient number, since it is larger than the sum of its proper divisors (1).

347454877249 is an equidigital number, since it uses as much as digits as its factorization.

347454877249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189665280, while the sum is 64.

The spelling of 347454877249 in words is "three hundred forty-seven billion, four hundred fifty-four million, eight hundred seventy-seven thousand, two hundred forty-nine".