229449153977 has 2 divisors, whose sum is σ = 229449153978. Its totient is φ = 229449153976.

The previous prime is 229449153931. The next prime is 229449154049. The reversal of 229449153977 is 779351944922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216210120256 + 13239033721 = 464984^2 + 115061^2 .

It is a cyclic number.

It is not a de Polignac number, because 229449153977 - 2²⁸ = 229180718521 is a prime.

It is a super-2 number, since 2×229449153977² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229449153277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114724576988 + 114724576989.

It is an arithmetic number, because the mean of its divisors is an integer number (114724576989).

Almost surely, 2^229449153977 is an apocalyptic number.

It is an amenable number.

229449153977 is a deficient number, since it is larger than the sum of its proper divisors (1).

229449153977 is an equidigital number, since it uses as much as digits as its factorization.

229449153977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 62.

The spelling of 229449153977 in words is "two hundred twenty-nine billion, four hundred forty-nine million, one hundred fifty-three thousand, nine hundred seventy-seven".