26513756452 has 6 divisors (see below), whose sum is σ = 46399073798. Its totient is φ = 13256878224.

The previous prime is 26513756449. The next prime is 26513756459. The reversal of 26513756452 is 25465731562.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24390942976 + 2122813476 = 156176^2 + 46074^2 .

It is not an unprimeable number, because it can be changed into a prime (26513756459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314219553 + ... + 3314219560.

Almost surely, 2^26513756452 is an apocalyptic number.

It is an amenable number.

26513756452 is a deficient number, since it is larger than the sum of its proper divisors (19885317346).

26513756452 is a wasteful number, since it uses less digits than its factorization.

26513756452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628439117 (or 6628439115 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 46.

The spelling of 26513756452 in words is "twenty-six billion, five hundred thirteen million, seven hundred fifty-six thousand, four hundred fifty-two".