5361995521 has 4 divisors (see below), whose sum is σ = 5363006292. Its totient is φ = 5360984752.

The previous prime is 5361995459. The next prime is 5361995533. The reversal of 5361995521 is 1255991635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1255991635 = 5 ⋅251198327.

It can be written as a sum of positive squares in 2 ways, for example, as 2885838400 + 2476157121 = 53720^2 + 49761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5361995521 is a prime.

It is a super-2 number, since 2×5361995521² = 57501991934448122882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5361992521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497386 + ... + 508051.

It is an arithmetic number, because the mean of its divisors is an integer number (1340751573).

Almost surely, 2^5361995521 is an apocalyptic number.

It is an amenable number.

5361995521 is a deficient number, since it is larger than the sum of its proper divisors (1010771).

5361995521 is a wasteful number, since it uses less digits than its factorization.

5361995521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010770.

The product of its digits is 364500, while the sum is 46.

The square root of 5361995521 is about 73225.6479725513. The cubic root of 5361995521 is about 1750.2851803000.

The spelling of 5361995521 in words is "five billion, three hundred sixty-one million, nine hundred ninety-five thousand, five hundred twenty-one".