2049913789519 has 2 divisors, whose sum is σ = 2049913789520. Its totient is φ = 2049913789518.

The previous prime is 2049913789499. The next prime is 2049913789529. The reversal of 2049913789519 is 9159873199402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2049913789519 - 2²³ = 2049905400911 is a prime.

It is a super-2 number, since 2×2049913789519² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049913789529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024956894759 + 1024956894760.

It is an arithmetic number, because the mean of its divisors is an integer number (1024956894760).

Almost surely, 2^{2049913789519} is an apocalyptic number.

2049913789519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049913789519 is an equidigital number, since it uses as much as digits as its factorization.

2049913789519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44089920, while the sum is 67.

The spelling of 2049913789519 in words is "two trillion, forty-nine billion, nine hundred thirteen million, seven hundred eighty-nine thousand, five hundred nineteen".