260436026260463 has 4 divisors (see below), whose sum is σ = 260947688395080. Its totient is φ = 259924364125848.

The previous prime is 260436026260439. The next prime is 260436026260477. The reversal of 260436026260463 is 364062620634062.

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

It is a cyclic number.

It is not a de Polignac number, because 260436026260463 - 2¹⁸ = 260436025998319 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 (260436026260433) 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, 255831066545 + ... + 255831067562.

It is an arithmetic number, because the mean of its divisors is an integer number (65236922098770).

Almost surely, 2^{260436026260463} is an apocalyptic number.

260436026260463 is a deficient number, since it is larger than the sum of its proper divisors (511662134617).

260436026260463 is an equidigital number, since it uses as much as digits as its factorization.

260436026260463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511662134616.

The product of its (nonzero) digits is 8957952, while the sum is 50.

The spelling of 260436026260463 in words is "two hundred sixty trillion, four hundred thirty-six billion, twenty-six million, two hundred sixty thousand, four hundred sixty-three".