254337452563 has 2 divisors, whose sum is σ = 254337452564. Its totient is φ = 254337452562.

The previous prime is 254337452533. The next prime is 254337452627. The reversal of 254337452563 is 365254733452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254337452563 is a prime.

It is not a weakly prime, because it can be changed into another prime (254337452533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127168726281 + 127168726282.

It is an arithmetic number, because the mean of its divisors is an integer number (127168726282).

Almost surely, 2^254337452563 is an apocalyptic number.

254337452563 is a deficient number, since it is larger than the sum of its proper divisors (1).

254337452563 is an equidigital number, since it uses as much as digits as its factorization.

254337452563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072000, while the sum is 49.

The spelling of 254337452563 in words is "two hundred fifty-four billion, three hundred thirty-seven million, four hundred fifty-two thousand, five hundred sixty-three".