248490781453 has 2 divisors, whose sum is σ = 248490781454. Its totient is φ = 248490781452.

The previous prime is 248490781423. The next prime is 248490781459. The reversal of 248490781453 is 354187094842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223674135364 + 24816646089 = 472942^2 + 157533^2 .

It is a cyclic number.

It is not a de Polignac number, because 248490781453 - 2⁵ = 248490781421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248490781394 and 248490781403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248490781459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124245390726 + 124245390727.

It is an arithmetic number, because the mean of its divisors is an integer number (124245390727).

Almost surely, 2^248490781453 is an apocalyptic number.

It is an amenable number.

248490781453 is a deficient number, since it is larger than the sum of its proper divisors (1).

248490781453 is an equidigital number, since it uses as much as digits as its factorization.

248490781453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 248490781453 in words is "two hundred forty-eight billion, four hundred ninety million, seven hundred eighty-one thousand, four hundred fifty-three".