130434400469 has 2 divisors, whose sum is σ = 130434400470. Its totient is φ = 130434400468.

The previous prime is 130434400427. The next prime is 130434400471. The reversal of 130434400469 is 964004434031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130274074225 + 160326244 = 360935^2 + 12662^2 .

It is a cyclic number.

It is not a de Polignac number, because 130434400469 - 2³⁶ = 61714923733 is a prime.

It is a super-2 number, since 2×130434400469² (a number of 23 digits) contains 22 as substring.

Together with 130434400471, 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 (130434400069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65217200234 + 65217200235.

It is an arithmetic number, because the mean of its divisors is an integer number (65217200235).

Almost surely, 2^130434400469 is an apocalyptic number.

It is an amenable number.

130434400469 is a deficient number, since it is larger than the sum of its proper divisors (1).

130434400469 is an equidigital number, since it uses as much as digits as its factorization.

130434400469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 130434400469 in words is "one hundred thirty billion, four hundred thirty-four million, four hundred thousand, four hundred sixty-nine".