26530919530 has 8 divisors (see below), whose sum is σ = 47755655172. Its totient is φ = 10612367808.

The previous prime is 26530919489. The next prime is 26530919537. The reversal of 26530919530 is 3591903562.

It can be written as a sum of positive squares in 2 ways, for example, as 24930199449 + 1600720081 = 157893^2 + 40009^2 .

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

It is a super-2 number, since 2×26530919530² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26530919537) 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 3 ways as a sum of consecutive naturals, for example, 1326545967 + ... + 1326545986.

Almost surely, 2^26530919530 is an apocalyptic number.

26530919530 is a deficient number, since it is larger than the sum of its proper divisors (21224735642).

26530919530 is a wasteful number, since it uses less digits than its factorization.

26530919530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653091960.

The product of its (nonzero) digits is 218700, while the sum is 43.

The spelling of 26530919530 in words is "twenty-six billion, five hundred thirty million, nine hundred nineteen thousand, five hundred thirty".