434151889 has 2 divisors, whose sum is σ = 434151890. Its totient is φ = 434151888.

The previous prime is 434151877. The next prime is 434151923. The reversal of 434151889 is 988151434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395811025 + 38340864 = 19895^2 + 6192^2 .

It is a cyclic number.

It is not a de Polignac number, because 434151889 - 2⁵ = 434151857 is a prime.

It is a super-3 number, since 3×434151889³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (434151589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217075944 + 217075945.

It is an arithmetic number, because the mean of its divisors is an integer number (217075945).

Almost surely, 2^434151889 is an apocalyptic number.

It is an amenable number.

434151889 is a deficient number, since it is larger than the sum of its proper divisors (1).

434151889 is an equidigital number, since it uses as much as digits as its factorization.

434151889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 43.

The square root of 434151889 is about 20836.3117897578. The cubic root of 434151889 is about 757.2057414874.

The spelling of 434151889 in words is "four hundred thirty-four million, one hundred fifty-one thousand, eight hundred eighty-nine".