2130138496769 has 2 divisors, whose sum is σ = 2130138496770. Its totient is φ = 2130138496768.

The previous prime is 2130138496693. The next prime is 2130138496817. The reversal of 2130138496769 is 9676948310312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1637025568369 + 493112928400 = 1279463^2 + 702220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130138496769 is a prime.

It is a super-2 number, since 2×2130138496769² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2130138496669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065069248384 + 1065069248385.

It is an arithmetic number, because the mean of its divisors is an integer number (1065069248385).

Almost surely, 2^{2130138496769} is an apocalyptic number.

It is an amenable number.

2130138496769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130138496769 is an equidigital number, since it uses as much as digits as its factorization.

2130138496769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 2130138496769 in words is "two trillion, one hundred thirty billion, one hundred thirty-eight million, four hundred ninety-six thousand, seven hundred sixty-nine".