26207691364 has 6 divisors (see below), whose sum is σ = 45863459894. Its totient is φ = 13103845680.

The previous prime is 26207691361. The next prime is 26207691373. The reversal of 26207691364 is 46319670262.

It can be written as a sum of positive squares in only one way, i.e., 19588241764 + 6619449600 = 139958^2 + 81360^2 .

It is not an unprimeable number, because it can be changed into a prime (26207691361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275961417 + ... + 3275961424.

Almost surely, 2^26207691364 is an apocalyptic number.

It is an amenable number.

26207691364 is a deficient number, since it is larger than the sum of its proper divisors (19655768530).

26207691364 is a wasteful number, since it uses less digits than its factorization.

26207691364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551922845 (or 6551922843 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 26207691364 in words is "twenty-six billion, two hundred seven million, six hundred ninety-one thousand, three hundred sixty-four".