980836239269 has 4 divisors (see below), whose sum is σ = 983357669580. Its totient is φ = 978314808960.

The previous prime is 980836239233. The next prime is 980836239287. The reversal of 980836239269 is 962932638089.

It is a happy number.

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 261978138244 + 718858101025 = 511838^2 + 847855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980836239269 is a prime.

It is a super-2 number, since 2×980836239269² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980836239209) 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, 1260714572 + ... + 1260715349.

It is an arithmetic number, because the mean of its divisors is an integer number (245839417395).

Almost surely, 2^980836239269 is an apocalyptic number.

It is an amenable number.

980836239269 is a deficient number, since it is larger than the sum of its proper divisors (2521430311).

980836239269 is a wasteful number, since it uses less digits than its factorization.

980836239269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521430310.

The product of its (nonzero) digits is 60466176, while the sum is 65.

The spelling of 980836239269 in words is "nine hundred eighty billion, eight hundred thirty-six million, two hundred thirty-nine thousand, two hundred sixty-nine".