1006992395905 has 4 divisors (see below), whose sum is σ = 1208390875092. Its totient is φ = 805593916720.

The previous prime is 1006992395887. The next prime is 1006992395921. The reversal of 1006992395905 is 5095932996001.

1006992395905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149725659136 + 857266736769 = 386944^2 + 925887^2 .

It is not a de Polignac number, because 1006992395905 - 2⁷ = 1006992395777 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1006992395905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100699239586 + ... + 100699239595.

It is an arithmetic number, because the mean of its divisors is an integer number (302097718773).

Almost surely, 2^{1006992395905} is an apocalyptic number.

It is an amenable number.

1006992395905 is a deficient number, since it is larger than the sum of its proper divisors (201398479187).

1006992395905 is an equidigital number, since it uses as much as digits as its factorization.

1006992395905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201398479186.

The product of its (nonzero) digits is 5904900, while the sum is 58.

The spelling of 1006992395905 in words is "one trillion, six billion, nine hundred ninety-two million, three hundred ninety-five thousand, nine hundred five".