204412431149 has 2 divisors, whose sum is σ = 204412431150. Its totient is φ = 204412431148.

The previous prime is 204412431103. The next prime is 204412431151. The reversal of 204412431149 is 941134214402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161428775524 + 42983655625 = 401782^2 + 207325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204412431149 is a prime.

Together with 204412431151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204412437149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102206215574 + 102206215575.

It is an arithmetic number, because the mean of its divisors is an integer number (102206215575).

Almost surely, 2^204412431149 is an apocalyptic number.

It is an amenable number.

204412431149 is a deficient number, since it is larger than the sum of its proper divisors (1).

204412431149 is an equidigital number, since it uses as much as digits as its factorization.

204412431149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 204412431149 in words is "two hundred four billion, four hundred twelve million, four hundred thirty-one thousand, one hundred forty-nine".