283399918939 has 16 divisors (see below), whose sum is σ = 312011225856. Its totient is φ = 256240972800.

The previous prime is 283399918897. The next prime is 283399918943. The reversal of 283399918939 is 939819993382.

It is a happy number.

It is not a de Polignac number, because 283399918939 - 2⁷ = 283399918811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283399918339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890432 + ... + 2034829.

It is an arithmetic number, because the mean of its divisors is an integer number (19500701616).

Almost surely, 2^283399918939 is an apocalyptic number.

283399918939 is a deficient number, since it is larger than the sum of its proper divisors (28611306917).

283399918939 is a wasteful number, since it uses less digits than its factorization.

283399918939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925446.

The product of its digits is 204073344, while the sum is 73.

The spelling of 283399918939 in words is "two hundred eighty-three billion, three hundred ninety-nine million, nine hundred eighteen thousand, nine hundred thirty-nine".