563261265433461 has 48 divisors (see below), whose sum is σ = 946531787471424. Its totient is φ = 295885534726656.

The previous prime is 563261265433429. The next prime is 563261265433487. The reversal of 563261265433461 is 164334562162365.

It is a happy number.

It is not a de Polignac number, because 563261265433461 - 2⁵ = 563261265433429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563261265433411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2620760730 + ... + 2620975643.

It is an arithmetic number, because the mean of its divisors is an integer number (19719412238988).

Almost surely, 2^{563261265433461} is an apocalyptic number.

563261265433461 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

563261265433461 is a deficient number, since it is larger than the sum of its proper divisors (383270522037963).

563261265433461 is a wasteful number, since it uses less digits than its factorization.

563261265433461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241736450 (or 5241736443 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 57.

The spelling of 563261265433461 in words is "five hundred sixty-three trillion, two hundred sixty-one billion, two hundred sixty-five million, four hundred thirty-three thousand, four hundred sixty-one".