999739006419 has 8 divisors (see below), whose sum is σ = 1333139889600. Its totient is φ = 666415397096.

The previous prime is 999739006403. The next prime is 999739006421. The reversal of 999739006419 is 914600937999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 999739006419 - 2⁴ = 999739006403 is a prime.

It is a super-2 number, since 2×999739006419² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 999739006419.

It is not an unprimeable number, because it can be changed into a prime (999739006489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19288269 + ... + 19340030.

It is an arithmetic number, because the mean of its divisors is an integer number (166642486200).

Almost surely, 2^999739006419 is an apocalyptic number.

999739006419 is a deficient number, since it is larger than the sum of its proper divisors (333400883181).

999739006419 is a wasteful number, since it uses less digits than its factorization.

999739006419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38636929.

The product of its (nonzero) digits is 29760696, while the sum is 66.

The spelling of 999739006419 in words is "nine hundred ninety-nine billion, seven hundred thirty-nine million, six thousand, four hundred nineteen".