248989464947 has 2 divisors, whose sum is σ = 248989464948. Its totient is φ = 248989464946.

The previous prime is 248989464917. The next prime is 248989465003. The reversal of 248989464947 is 749464989842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248989464947 - 2¹² = 248989460851 is a prime.

It is not a weakly prime, because it can be changed into another prime (248989464917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124494732473 + 124494732474.

It is an arithmetic number, because the mean of its divisors is an integer number (124494732474).

Almost surely, 2^248989464947 is an apocalyptic number.

248989464947 is a deficient number, since it is larger than the sum of its proper divisors (1).

248989464947 is an equidigital number, since it uses as much as digits as its factorization.

248989464947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1003290624, while the sum is 74.

The spelling of 248989464947 in words is "two hundred forty-eight billion, nine hundred eighty-nine million, four hundred sixty-four thousand, nine hundred forty-seven".