4019509713 has 4 divisors (see below), whose sum is σ = 5359346288. Its totient is φ = 2679673140.

The previous prime is 4019509691. The next prime is 4019509727. The reversal of 4019509713 is 3179059104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4019509713 - 2¹² = 4019505617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4019509313) 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, 669918283 + ... + 669918288.

It is an arithmetic number, because the mean of its divisors is an integer number (1339836572).

Almost surely, 2^4019509713 is an apocalyptic number.

It is an amenable number.

4019509713 is a deficient number, since it is larger than the sum of its proper divisors (1339836575).

4019509713 is a wasteful number, since it uses less digits than its factorization.

4019509713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339836574.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 4019509713 is about 63399.6034135861. The cubic root of 4019509713 is about 1589.9776789715.

The spelling of 4019509713 in words is "four billion, nineteen million, five hundred nine thousand, seven hundred thirteen".