2519893139 has 2 divisors, whose sum is σ = 2519893140. Its totient is φ = 2519893138.

The previous prime is 2519893111. The next prime is 2519893157. The reversal of 2519893139 is 9313989152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2519893139 is a prime.

It is a super-2 number, since 2×2519893139² = 12699722863958546642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2519893199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259946569 + 1259946570.

It is an arithmetic number, because the mean of its divisors is an integer number (1259946570).

Almost surely, 2^2519893139 is an apocalyptic number.

2519893139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2519893139 is an equidigital number, since it uses as much as digits as its factorization.

2519893139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 50.

The square root of 2519893139 is about 50198.5372197238. The cubic root of 2519893139 is about 1360.7991876784.

The spelling of 2519893139 in words is "two billion, five hundred nineteen million, eight hundred ninety-three thousand, one hundred thirty-nine".