283153937221 has 2 divisors, whose sum is σ = 283153937222. Its totient is φ = 283153937220.

The previous prime is 283153937179. The next prime is 283153937243. The reversal of 283153937221 is 122739351382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158889932100 + 124264005121 = 398610^2 + 352511^2 .

It is a cyclic number.

It is not a de Polignac number, because 283153937221 - 2⁷ = 283153937093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (283153937251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141576968610 + 141576968611.

It is an arithmetic number, because the mean of its divisors is an integer number (141576968611).

Almost surely, 2^283153937221 is an apocalyptic number.

It is an amenable number.

283153937221 is a deficient number, since it is larger than the sum of its proper divisors (1).

283153937221 is an equidigital number, since it uses as much as digits as its factorization.

283153937221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The spelling of 283153937221 in words is "two hundred eighty-three billion, one hundred fifty-three million, nine hundred thirty-seven thousand, two hundred twenty-one".