2563313650457 has 4 divisors (see below), whose sum is σ = 2929501314816. Its totient is φ = 2197125986100.

The previous prime is 2563313650427. The next prime is 2563313650463. The reversal of 2563313650457 is 7540563133652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2563313650457 - 2⁶ = 2563313650393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2563313650427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183093832169 + ... + 183093832182.

It is an arithmetic number, because the mean of its divisors is an integer number (732375328704).

Almost surely, 2^{2563313650457} is an apocalyptic number.

It is an amenable number.

2563313650457 is a deficient number, since it is larger than the sum of its proper divisors (366187664359).

2563313650457 is an equidigital number, since it uses as much as digits as its factorization.

2563313650457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366187664358.

The product of its (nonzero) digits is 6804000, while the sum is 50.

The spelling of 2563313650457 in words is "two trillion, five hundred sixty-three billion, three hundred thirteen million, six hundred fifty thousand, four hundred fifty-seven".