26949291316 has 6 divisors (see below), whose sum is σ = 47161259810. Its totient is φ = 13474645656.

The previous prime is 26949291283. The next prime is 26949291329. The reversal of 26949291316 is 61319294962.

It can be written as a sum of positive squares in only one way, i.e., 26946535716 + 2755600 = 164154^2 + 1660^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3368661411 + ... + 3368661418.

Almost surely, 2^26949291316 is an apocalyptic number.

It is an amenable number.

26949291316 is a deficient number, since it is larger than the sum of its proper divisors (20211968494).

26949291316 is a wasteful number, since it uses less digits than its factorization.

26949291316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737322833 (or 6737322831 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 52.

The spelling of 26949291316 in words is "twenty-six billion, nine hundred forty-nine million, two hundred ninety-one thousand, three hundred sixteen".