229854953021 has 2 divisors, whose sum is σ = 229854953022. Its totient is φ = 229854953020.

The previous prime is 229854952997. The next prime is 229854953101. The reversal of 229854953021 is 120359458922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182162508025 + 47692444996 = 426805^2 + 218386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229854953021 is a prime.

It is a super-2 number, since 2×229854953021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229854953921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114927476510 + 114927476511.

It is an arithmetic number, because the mean of its divisors is an integer number (114927476511).

Almost surely, 2^229854953021 is an apocalyptic number.

It is an amenable number.

229854953021 is a deficient number, since it is larger than the sum of its proper divisors (1).

229854953021 is an equidigital number, since it uses as much as digits as its factorization.

229854953021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 229854953021 in words is "two hundred twenty-nine billion, eight hundred fifty-four million, nine hundred fifty-three thousand, twenty-one".