990060820337 has 2 divisors, whose sum is σ = 990060820338. Its totient is φ = 990060820336.

The previous prime is 990060820249. The next prime is 990060820349. The reversal of 990060820337 is 733028060099.

990060820337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530626290481 + 459434529856 = 728441^2 + 677816^2 .

It is an emirp because it is prime and its reverse (733028060099) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-990060820337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 990060820291 and 990060820300.

It is not a weakly prime, because it can be changed into another prime (990060820537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495030410168 + 495030410169.

It is an arithmetic number, because the mean of its divisors is an integer number (495030410169).

Almost surely, 2^990060820337 is an apocalyptic number.

It is an amenable number.

990060820337 is a deficient number, since it is larger than the sum of its proper divisors (1).

990060820337 is an equidigital number, since it uses as much as digits as its factorization.

990060820337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 990060820337 in words is "nine hundred ninety billion, sixty million, eight hundred twenty thousand, three hundred thirty-seven".