5368919970649 has 9 divisors (see below), whose sum is σ = 5443645812669. Its totient is φ = 5295206291040.

The previous prime is 5368919970593. The next prime is 5368919970677. The reversal of 5368919970649 is 9460799198635.

The square root of 5368919970649 is 2317093.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 422441502025 + 4946478468624 = 649955^2 + 2224068^2 .

It is not a de Polignac number, because 5368919970649 - 2⁹ = 5368919970137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5368919670649) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 169131919 + ... + 169163659.

It is an arithmetic number, because the mean of its divisors is an integer number (604849534741).

Almost surely, 2^{5368919970649} is an apocalyptic number.

5368919970649 is the 2317093-rd square number.

5368919970649 is the 1158547-th centered octagonal number.

It is an amenable number.

5368919970649 is a deficient number, since it is larger than the sum of its proper divisors (74725842020).

5368919970649 is an frugal number, since it uses more digits than its factorization.

5368919970649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63628 (or 31814 counting only the distinct ones).

The product of its (nonzero) digits is 793618560, while the sum is 76.

The spelling of 5368919970649 in words is "five trillion, three hundred sixty-eight billion, nine hundred nineteen million, nine hundred seventy thousand, six hundred forty-nine".