26754140390149 has 4 divisors (see below), whose sum is σ = 27617177176960. Its totient is φ = 25891103603340.

The previous prime is 26754140390143. The next prime is 26754140390179. The reversal of 26754140390149 is 94109304145762.

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 26754140390149 - 2¹³ = 26754140381957 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 26754140390149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26754140390143) 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, 431518393359 + ... + 431518393420.

It is an arithmetic number, because the mean of its divisors is an integer number (6904294294240).

Almost surely, 2^{26754140390149} is an apocalyptic number.

It is an amenable number.

26754140390149 is a deficient number, since it is larger than the sum of its proper divisors (863036786811).

26754140390149 is an equidigital number, since it uses as much as digits as its factorization.

26754140390149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863036786810.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 26754140390149 in words is "twenty-six trillion, seven hundred fifty-four billion, one hundred forty million, three hundred ninety thousand, one hundred forty-nine".