130434243437 has 2 divisors, whose sum is σ = 130434243438. Its totient is φ = 130434243436.

The previous prime is 130434243431. The next prime is 130434243461. The reversal of 130434243437 is 734342434031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119711848036 + 10722395401 = 345994^2 + 103549^2 .

It is a cyclic number.

It is not a de Polignac number, because 130434243437 - 2¹⁶ = 130434177901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130434243437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130434243431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65217121718 + 65217121719.

It is an arithmetic number, because the mean of its divisors is an integer number (65217121719).

Almost surely, 2^130434243437 is an apocalyptic number.

It is an amenable number.

130434243437 is a deficient number, since it is larger than the sum of its proper divisors (1).

130434243437 is an equidigital number, since it uses as much as digits as its factorization.

130434243437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 38.

Adding to 130434243437 its reverse (734342434031), we get a palindrome (864776677468).

The spelling of 130434243437 in words is "one hundred thirty billion, four hundred thirty-four million, two hundred forty-three thousand, four hundred thirty-seven".