10999984837 has 2 divisors, whose sum is σ = 10999984838. Its totient is φ = 10999984836.

The previous prime is 10999984829. The next prime is 10999984883. The reversal of 10999984837 is 73848999901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9339096321 + 1660888516 = 96639^2 + 40754^2 .

It is a cyclic number.

It is not a de Polignac number, because 10999984837 - 2³ = 10999984829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10999984337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499992418 + 5499992419.

It is an arithmetic number, because the mean of its divisors is an integer number (5499992419).

Almost surely, 2^10999984837 is an apocalyptic number.

It is an amenable number.

10999984837 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999984837 is an equidigital number, since it uses as much as digits as its factorization.

10999984837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 10999984837 in words is "ten billion, nine hundred ninety-nine million, nine hundred eighty-four thousand, eight hundred thirty-seven".