999423737795 has 16 divisors (see below), whose sum is σ = 1451264050368. Its totient is φ = 645006243840.

The previous prime is 999423737749. The next prime is 999423737797. The reversal of 999423737795 is 597737324999.

It is not a de Polignac number, because 999423737795 - 2¹⁴ = 999423721411 is a prime.

It is a super-2 number, since 2×999423737795² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999423737797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839851286 + ... + 839852475.

It is an arithmetic number, because the mean of its divisors is an integer number (90704003148).

Almost surely, 2^999423737795 is an apocalyptic number.

999423737795 is a deficient number, since it is larger than the sum of its proper divisors (451840312573).

999423737795 is a wasteful number, since it uses less digits than its factorization.

999423737795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679703790.

The product of its digits is 810152280, while the sum is 74.

The spelling of 999423737795 in words is "nine hundred ninety-nine billion, four hundred twenty-three million, seven hundred thirty-seven thousand, seven hundred ninety-five".