26903782489 has 4 divisors (see below), whose sum is σ = 27115623424. Its totient is φ = 26691941556.

The previous prime is 26903782483. The next prime is 26903782501. The reversal of 26903782489 is 98428730962.

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.

It is a cyclic number.

It is not a de Polignac number, because 26903782489 - 2¹⁷ = 26903651417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26903782483) 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, 105920277 + ... + 105920530.

It is an arithmetic number, because the mean of its divisors is an integer number (6778905856).

Almost surely, 2^26903782489 is an apocalyptic number.

It is an amenable number.

26903782489 is a deficient number, since it is larger than the sum of its proper divisors (211840935).

26903782489 is a wasteful number, since it uses less digits than its factorization.

26903782489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211840934.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 26903782489 in words is "twenty-six billion, nine hundred three million, seven hundred eighty-two thousand, four hundred eighty-nine".