5268437690 has 16 divisors (see below), whose sum is σ = 9510366600. Its totient is φ = 2101335360.

The previous prime is 5268437687. The next prime is 5268437729. The reversal of 5268437690 is 967348625.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3351136321 + 1917301369 = 57889^2 + 43787^2 .

It is a super-2 number, since 2×5268437690² = 55512871386825072200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751301 + ... + 758280.

Almost surely, 2^5268437690 is an apocalyptic number.

5268437690 is a deficient number, since it is larger than the sum of its proper divisors (4241928910).

5268437690 is a wasteful number, since it uses less digits than its factorization.

5268437690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509937.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 5268437690 is about 72584.0043673536. The cubic root of 5268437690 is about 1740.0455453353.

The spelling of 5268437690 in words is "five billion, two hundred sixty-eight million, four hundred thirty-seven thousand, six hundred ninety".