5206737361009 has 4 divisors (see below), whose sum is σ = 5386280028660. Its totient is φ = 5027194693360.

The previous prime is 5206737360991. The next prime is 5206737361061. The reversal of 5206737361009 is 9001637376025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 944060970384 + 4262676390625 = 971628^2 + 2064625^2 .

It is a cyclic number.

It is not a de Polignac number, because 5206737361009 - 2²¹ = 5206735263857 is a prime.

It is a super-2 number, since 2×5206737361009² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5206737361099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89771333782 + ... + 89771333839.

It is an arithmetic number, because the mean of its divisors is an integer number (1346570007165).

Almost surely, 2^{5206737361009} is an apocalyptic number.

It is an amenable number.

5206737361009 is a deficient number, since it is larger than the sum of its proper divisors (179542667651).

5206737361009 is a wasteful number, since it uses less digits than its factorization.

5206737361009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179542667650.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 5206737361009 in words is "five trillion, two hundred six billion, seven hundred thirty-seven million, three hundred sixty-one thousand, nine".