283881020009 has 4 divisors (see below), whose sum is σ = 284007924804. Its totient is φ = 283754115216.

The previous prime is 283881019979. The next prime is 283881020021. The reversal of 283881020009 is 900020188382.

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 227979510784 + 55901509225 = 477472^2 + 236435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283881020009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283881010009) 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, 63449042 + ... + 63453515.

It is an arithmetic number, because the mean of its divisors is an integer number (71001981201).

Almost surely, 2^283881020009 is an apocalyptic number.

It is an amenable number.

283881020009 is a deficient number, since it is larger than the sum of its proper divisors (126904795).

283881020009 is a wasteful number, since it uses less digits than its factorization.

283881020009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126904794.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 283881020009 in words is "two hundred eighty-three billion, eight hundred eighty-one million, twenty thousand, nine".