26926155309 has 16 divisors (see below), whose sum is σ = 36178198784. Its totient is φ = 17812872000.

The previous prime is 26926155283. The next prime is 26926155343. The reversal of 26926155309 is 90355162962.

It is a happy number.

It is not a de Polignac number, because 26926155309 - 2¹³ = 26926147117 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 (26926155209) 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, 197859 + ... + 304959.

It is an arithmetic number, because the mean of its divisors is an integer number (2261137424).

Almost surely, 2^26926155309 is an apocalyptic number.

It is an amenable number.

26926155309 is a deficient number, since it is larger than the sum of its proper divisors (9252043475).

26926155309 is a wasteful number, since it uses less digits than its factorization.

26926155309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107748.

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 26926155309 in words is "twenty-six billion, nine hundred twenty-six million, one hundred fifty-five thousand, three hundred nine".