130434444389 has 2 divisors, whose sum is σ = 130434444390. Its totient is φ = 130434444388.

The previous prime is 130434444347. The next prime is 130434444499. The reversal of 130434444389 is 983444434031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105473604289 + 24960840100 = 324767^2 + 157990^2 .

It is a cyclic number.

It is not a de Polignac number, because 130434444389 - 2¹⁶ = 130434378853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130434444589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65217222194 + 65217222195.

It is an arithmetic number, because the mean of its divisors is an integer number (65217222195).

Almost surely, 2^130434444389 is an apocalyptic number.

It is an amenable number.

130434444389 is a deficient number, since it is larger than the sum of its proper divisors (1).

130434444389 is an equidigital number, since it uses as much as digits as its factorization.

130434444389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 130434444389 in words is "one hundred thirty billion, four hundred thirty-four million, four hundred forty-four thousand, three hundred eighty-nine".