248153603309 has 2 divisors, whose sum is σ = 248153603310. Its totient is φ = 248153603308.

The previous prime is 248153603279. The next prime is 248153603329. The reversal of 248153603309 is 903306351842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174018294025 + 74135309284 = 417155^2 + 272278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248153603309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248153603309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248153603329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124076801654 + 124076801655.

It is an arithmetic number, because the mean of its divisors is an integer number (124076801655).

Almost surely, 2^248153603309 is an apocalyptic number.

It is an amenable number.

248153603309 is a deficient number, since it is larger than the sum of its proper divisors (1).

248153603309 is an equidigital number, since it uses as much as digits as its factorization.

248153603309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 248153603309 in words is "two hundred forty-eight billion, one hundred fifty-three million, six hundred three thousand, three hundred nine".