2130434334389 has 2 divisors, whose sum is σ = 2130434334390. Its totient is φ = 2130434334388.

The previous prime is 2130434334377. The next prime is 2130434334451. The reversal of 2130434334389 is 9834334340312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1675393696900 + 455040637489 = 1294370^2 + 674567^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130434334389 - 2²⁸ = 2130165898933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130434330389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065217167194 + 1065217167195.

It is an arithmetic number, because the mean of its divisors is an integer number (1065217167195).

Almost surely, 2^{2130434334389} is an apocalyptic number.

It is an amenable number.

2130434334389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130434334389 is an equidigital number, since it uses as much as digits as its factorization.

2130434334389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 47.

The spelling of 2130434334389 in words is "two trillion, one hundred thirty billion, four hundred thirty-four million, three hundred thirty-four thousand, three hundred eighty-nine".