2009949277519 has 2 divisors, whose sum is σ = 2009949277520. Its totient is φ = 2009949277518.

The previous prime is 2009949277499. The next prime is 2009949277543. The reversal of 2009949277519 is 9157729499002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2009949277519 - 2⁵ = 2009949277487 is a prime.

It is a super-3 number, since 3×2009949277519³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2009949277579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004974638759 + 1004974638760.

It is an arithmetic number, because the mean of its divisors is an integer number (1004974638760).

Almost surely, 2^{2009949277519} is an apocalyptic number.

2009949277519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009949277519 is an equidigital number, since it uses as much as digits as its factorization.

2009949277519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 64.

The spelling of 2009949277519 in words is "two trillion, nine billion, nine hundred forty-nine million, two hundred seventy-seven thousand, five hundred nineteen".