26546746463 has 4 divisors (see below), whose sum is σ = 26613615240. Its totient is φ = 26479877688.

The previous prime is 26546746417. The next prime is 26546746469. The reversal of 26546746463 is 36464764562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36464764562 = 2 ⋅18232382281.

It is a cyclic number.

It is not a de Polignac number, because 26546746463 - 2⁶ = 26546746399 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 (26546746469) 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, 33433793 + ... + 33434586.

It is an arithmetic number, because the mean of its divisors is an integer number (6653403810).

Almost surely, 2^26546746463 is an apocalyptic number.

26546746463 is a deficient number, since it is larger than the sum of its proper divisors (66868777).

26546746463 is an equidigital number, since it uses as much as digits as its factorization.

26546746463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66868776.

The product of its digits is 17418240, while the sum is 53.

The spelling of 26546746463 in words is "twenty-six billion, five hundred forty-six million, seven hundred forty-six thousand, four hundred sixty-three".