2039746019 has 2 divisors, whose sum is σ = 2039746020. Its totient is φ = 2039746018.

The previous prime is 2039746013. The next prime is 2039746021. The reversal of 2039746019 is 9106479302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2039746019 is a prime.

It is a super-2 number, since 2×2039746019² = 8321127644052696722, which contains 22 as substring.

Together with 2039746021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2039746013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019873009 + 1019873010.

It is an arithmetic number, because the mean of its divisors is an integer number (1019873010).

Almost surely, 2^2039746019 is an apocalyptic number.

2039746019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039746019 is an equidigital number, since it uses as much as digits as its factorization.

2039746019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 2039746019 is about 45163.5474580994. The cubic root of 2039746019 is about 1268.2125056820.

The spelling of 2039746019 in words is "two billion, thirty-nine million, seven hundred forty-six thousand, nineteen".