8254349947 has 2 divisors, whose sum is σ = 8254349948. Its totient is φ = 8254349946.

The previous prime is 8254349933. The next prime is 8254349977. The reversal of 8254349947 is 7499434528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8254349947 - 2³¹ = 6106866299 is a prime.

It is not a weakly prime, because it can be changed into another prime (8254349977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127174973 + 4127174974.

It is an arithmetic number, because the mean of its divisors is an integer number (4127174974).

Almost surely, 2^8254349947 is an apocalyptic number.

8254349947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8254349947 is an equidigital number, since it uses as much as digits as its factorization.

8254349947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The square root of 8254349947 is about 90853.4531374565. The cubic root of 8254349947 is about 2020.9750828600.

The spelling of 8254349947 in words is "eight billion, two hundred fifty-four million, three hundred forty-nine thousand, nine hundred forty-seven".