25663510230463 has 4 divisors (see below), whose sum is σ = 29329725977680. Its totient is φ = 21997294483248.

The previous prime is 25663510230431. The next prime is 25663510230469. The reversal of 25663510230463 is 36403201536652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25663510230463 - 2⁵ = 25663510230431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25663510230469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833107873598 + ... + 1833107873611.

It is an arithmetic number, because the mean of its divisors is an integer number (7332431494420).

Almost surely, 2^{25663510230463} is an apocalyptic number.

25663510230463 is a deficient number, since it is larger than the sum of its proper divisors (3666215747217).

25663510230463 is an equidigital number, since it uses as much as digits as its factorization.

25663510230463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666215747216.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 25663510230463 in words is "twenty-five trillion, six hundred sixty-three billion, five hundred ten million, two hundred thirty thousand, four hundred sixty-three".