26103254643 has 12 divisors (see below), whose sum is σ = 39101171928. Its totient is φ = 17402169600.

The previous prime is 26103254623. The next prime is 26103254647. The reversal of 26103254643 is 34645230162.

26103254643 is a `hidden beast` number, since 2 + 6 + 1 + 0 + 3 + 2 + 5 + 4 + 643 = 666.

It is not a de Polignac number, because 26103254643 - 2¹³ = 26103246451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26103254598 and 26103254607.

It is not an unprimeable number, because it can be changed into a prime (26103254647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53710158 + ... + 53710643.

It is an arithmetic number, because the mean of its divisors is an integer number (3258430994).

Almost surely, 2^26103254643 is an apocalyptic number.

26103254643 is a deficient number, since it is larger than the sum of its proper divisors (12997917285).

26103254643 is an equidigital number, since it uses as much as digits as its factorization.

26103254643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107420816 (or 107420804 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 26103254643 in words is "twenty-six billion, one hundred three million, two hundred fifty-four thousand, six hundred forty-three".