9498749947 has 2 divisors, whose sum is σ = 9498749948. Its totient is φ = 9498749946.

The previous prime is 9498749863. The next prime is 9498749951. The reversal of 9498749947 is 7499478949.

It is a strong prime.

It is an emirp because it is prime and its reverse (7499478949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9498749947 - 2²³ = 9490361339 is a prime.

It is not a weakly prime, because it can be changed into another prime (9498749957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4749374973 + 4749374974.

It is an arithmetic number, because the mean of its divisors is an integer number (4749374974).

Almost surely, 2^9498749947 is an apocalyptic number.

9498749947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9498749947 is an equidigital number, since it uses as much as digits as its factorization.

9498749947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164602368, while the sum is 70.

The square root of 9498749947 is about 97461.5306005400. The cubic root of 9498749947 is about 2117.8188932460.

The spelling of 9498749947 in words is "nine billion, four hundred ninety-eight million, seven hundred forty-nine thousand, nine hundred forty-seven".