26461423693 has 4 divisors (see below), whose sum is σ = 26462023488. Its totient is φ = 26460823900.

The previous prime is 26461423687. The next prime is 26461423699. The reversal of 26461423693 is 39632416462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39632416462 = 2 ⋅19816208231.

It is an interprime number because it is at equal distance from previous prime (26461423687) and next prime (26461423699).

It is a cyclic number.

It is not a de Polignac number, because 26461423693 - 2²⁵ = 26427869261 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 (26461423699) 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, 227971 + ... + 323872.

It is an arithmetic number, because the mean of its divisors is an integer number (6615505872).

Almost surely, 2^26461423693 is an apocalyptic number.

It is an amenable number.

26461423693 is a deficient number, since it is larger than the sum of its proper divisors (599795).

26461423693 is an equidigital number, since it uses as much as digits as its factorization.

26461423693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599794.

The product of its digits is 1119744, while the sum is 46.

The spelling of 26461423693 in words is "twenty-six billion, four hundred sixty-one million, four hundred twenty-three thousand, six hundred ninety-three".