16240009837 has 2 divisors, whose sum is σ = 16240009838. Its totient is φ = 16240009836.

The previous prime is 16240009823. The next prime is 16240009879. The reversal of 16240009837 is 73890004261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15603507396 + 636502441 = 124914^2 + 25229^2 .

It is an emirp because it is prime and its reverse (73890004261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16240009837 - 2²³ = 16231621229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16240009837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16240009337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8120004918 + 8120004919.

It is an arithmetic number, because the mean of its divisors is an integer number (8120004919).

Almost surely, 2^16240009837 is an apocalyptic number.

It is an amenable number.

16240009837 is a deficient number, since it is larger than the sum of its proper divisors (1).

16240009837 is an equidigital number, since it uses as much as digits as its factorization.

16240009837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 16240009837 in words is "sixteen billion, two hundred forty million, nine thousand, eight hundred thirty-seven".