229450723969 has 2 divisors, whose sum is σ = 229450723970. Its totient is φ = 229450723968.

The previous prime is 229450723949. The next prime is 229450724017. The reversal of 229450723969 is 969327054922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205469104369 + 23981619600 = 453287^2 + 154860^2 .

It is a cyclic number.

It is not a de Polignac number, because 229450723969 - 2¹³ = 229450715777 is a prime.

It is a super-2 number, since 2×229450723969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229450723949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114725361984 + 114725361985.

It is an arithmetic number, because the mean of its divisors is an integer number (114725361985).

Almost surely, 2^229450723969 is an apocalyptic number.

It is an amenable number.

229450723969 is a deficient number, since it is larger than the sum of its proper divisors (1).

229450723969 is an equidigital number, since it uses as much as digits as its factorization.

229450723969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 229450723969 in words is "two hundred twenty-nine billion, four hundred fifty million, seven hundred twenty-three thousand, nine hundred sixty-nine".