2494891842019 has 2 divisors, whose sum is σ = 2494891842020. Its totient is φ = 2494891842018.

The previous prime is 2494891842007. The next prime is 2494891842103. The reversal of 2494891842019 is 9102481984942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2494891842019 - 2¹³ = 2494891833827 is a prime.

It is a super-2 number, since 2×2494891842019² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2494891842319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247445921009 + 1247445921010.

It is an arithmetic number, because the mean of its divisors is an integer number (1247445921010).

Almost surely, 2^{2494891842019} is an apocalyptic number.

2494891842019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494891842019 is an equidigital number, since it uses as much as digits as its factorization.

2494891842019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11943936, while the sum is 61.

The spelling of 2494891842019 in words is "two trillion, four hundred ninety-four billion, eight hundred ninety-one million, eight hundred forty-two thousand, nineteen".