2130138496693 has 2 divisors, whose sum is σ = 2130138496694. Its totient is φ = 2130138496692.

The previous prime is 2130138496669. The next prime is 2130138496769. The reversal of 2130138496693 is 3966948310312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1417571221924 + 712567274769 = 1190618^2 + 844137^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130138496693 - 2¹³ = 2130138488501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130138499693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065069248346 + 1065069248347.

It is an arithmetic number, because the mean of its divisors is an integer number (1065069248347).

Almost surely, 2^{2130138496693} is an apocalyptic number.

It is an amenable number.

2130138496693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130138496693 is an equidigital number, since it uses as much as digits as its factorization.

2130138496693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 2130138496693 in words is "two trillion, one hundred thirty billion, one hundred thirty-eight million, four hundred ninety-six thousand, six hundred ninety-three".