26135484789 has 16 divisors (see below), whose sum is σ = 36685042880. Its totient is φ = 16504974720.

The previous prime is 26135484773. The next prime is 26135484799. The reversal of 26135484789 is 98748453162.

It is a happy number.

It is not a de Polignac number, because 26135484789 - 2⁴ = 26135484773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26135484799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829329 + ... + 860265.

It is an arithmetic number, because the mean of its divisors is an integer number (2292815180).

Almost surely, 2^26135484789 is an apocalyptic number.

It is an amenable number.

26135484789 is a deficient number, since it is larger than the sum of its proper divisors (10549558091).

26135484789 is a wasteful number, since it uses less digits than its factorization.

26135484789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45780.

The product of its digits is 11612160, while the sum is 57.

The spelling of 26135484789 in words is "twenty-six billion, one hundred thirty-five million, four hundred eighty-four thousand, seven hundred eighty-nine".