26019666245 has 8 divisors (see below), whose sum is σ = 31229604384. Its totient is φ = 20811729744.

The previous prime is 26019666203. The next prime is 26019666271. The reversal of 26019666245 is 54266691062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26019666245 - 2⁶ = 26019666181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26019666245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471659 + ... + 523928.

It is an arithmetic number, because the mean of its divisors is an integer number (3903700548).

Almost surely, 2^26019666245 is an apocalyptic number.

It is an amenable number.

26019666245 is a deficient number, since it is larger than the sum of its proper divisors (5209938139).

26019666245 is an equidigital number, since it uses as much as digits as its factorization.

26019666245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000819.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 26019666245 in words is "twenty-six billion, nineteen million, six hundred sixty-six thousand, two hundred forty-five".