26490719519 has 8 divisors (see below), whose sum is σ = 28900343808. Its totient is φ = 24081324760.

The previous prime is 26490719483. The next prime is 26490719527. The reversal of 26490719519 is 91591709462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26490719519 - 2²⁰ = 26489670943 is a prime.

It is a super-2 number, since 2×26490719519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26490719539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260564 + ... + 347670.

It is an arithmetic number, because the mean of its divisors is an integer number (3612542976).

Almost surely, 2^26490719519 is an apocalyptic number.

26490719519 is a deficient number, since it is larger than the sum of its proper divisors (2409624289).

26490719519 is a wasteful number, since it uses less digits than its factorization.

26490719519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114765.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The spelling of 26490719519 in words is "twenty-six billion, four hundred ninety million, seven hundred nineteen thousand, five hundred nineteen".