26514308019 has 4 divisors (see below), whose sum is σ = 35352410696. Its totient is φ = 17676205344.

The previous prime is 26514308017. The next prime is 26514308059. The reversal of 26514308019 is 91080341562.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 26514308019 - 2¹ = 26514308017 is a prime.

It is a super-2 number, since 2×26514308019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26514308017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4419051334 + ... + 4419051339.

It is an arithmetic number, because the mean of its divisors is an integer number (8838102674).

Almost surely, 2^26514308019 is an apocalyptic number.

26514308019 is a deficient number, since it is larger than the sum of its proper divisors (8838102677).

26514308019 is an equidigital number, since it uses as much as digits as its factorization.

26514308019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8838102676.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 26514308019 in words is "twenty-six billion, five hundred fourteen million, three hundred eight thousand, nineteen".