4126690019 has 4 divisors (see below), whose sum is σ = 4128317880. Its totient is φ = 4125062160.

The previous prime is 4126689997. The next prime is 4126690033. The reversal of 4126690019 is 9100966214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9100966214 = 2 ⋅4550483107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4126690019 is a prime.

It is a super-2 number, since 2×4126690019² = 34059141025828440722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4126690049) 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 in 3 ways as a sum of consecutive naturals, for example, 810122 + ... + 815199.

It is an arithmetic number, because the mean of its divisors is an integer number (1032079470).

Almost surely, 2^4126690019 is an apocalyptic number.

4126690019 is a deficient number, since it is larger than the sum of its proper divisors (1627861).

4126690019 is a wasteful number, since it uses less digits than its factorization.

4126690019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627860.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 4126690019 is about 64239.3183260844. The cubic root of 4126690019 is about 1603.9861570717.

The spelling of 4126690019 in words is "four billion, one hundred twenty-six million, six hundred ninety thousand, nineteen".