263125206426067 has 4 divisors (see below), whose sum is σ = 263971268183376. Its totient is φ = 262279144668760.

The previous prime is 263125206426029. The next prime is 263125206426109. The reversal of 263125206426067 is 760624602521362.

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 263125206426067 - 2¹⁵ = 263125206393299 is a prime.

It is a super-2 number, since 2×263125206426067² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263125206420067) 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, 423030878188 + ... + 423030878809.

It is an arithmetic number, because the mean of its divisors is an integer number (65992817045844).

Almost surely, 2^{263125206426067} is an apocalyptic number.

263125206426067 is a deficient number, since it is larger than the sum of its proper divisors (846061757309).

263125206426067 is an equidigital number, since it uses as much as digits as its factorization.

263125206426067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846061757308.

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 263125206426067 in words is "two hundred sixty-three trillion, one hundred twenty-five billion, two hundred six million, four hundred twenty-six thousand, sixty-seven".