2126358931519 has 2 divisors, whose sum is σ = 2126358931520. Its totient is φ = 2126358931518.

The previous prime is 2126358931469. The next prime is 2126358931547. The reversal of 2126358931519 is 9151398536212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2126358931519 - 2¹³ = 2126358923327 is a prime.

It is a super-2 number, since 2×2126358931519² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2126358931519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126358931549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063179465759 + 1063179465760.

It is an arithmetic number, because the mean of its divisors is an integer number (1063179465760).

Almost surely, 2^{2126358931519} is an apocalyptic number.

2126358931519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126358931519 is an equidigital number, since it uses as much as digits as its factorization.

2126358931519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 55.

The spelling of 2126358931519 in words is "two trillion, one hundred twenty-six billion, three hundred fifty-eight million, nine hundred thirty-one thousand, five hundred nineteen".