2126317995 has 12 divisors (see below), whose sum is σ = 3685617936. Its totient is φ = 1134036240.

The previous prime is 2126317951. The next prime is 2126317997. The reversal of 2126317995 is 5997136212.

It is a happy number.

2126317995 is a `hidden beast` number, since 2 + 1 + 2 + 631 + 7 + 9 + 9 + 5 = 666.

It is not a de Polignac number, because 2126317995 - 2⁷ = 2126317867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 47251511 = 2126317995 / (2 + 1 + 2 + 6 + 3 + 1 + 7 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2126317995.

It is not an unprimeable number, because it can be changed into a prime (2126317997) 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 11 ways as a sum of consecutive naturals, for example, 23625711 + ... + 23625800.

It is an arithmetic number, because the mean of its divisors is an integer number (307134828).

Almost surely, 2^2126317995 is an apocalyptic number.

2126317995 is a deficient number, since it is larger than the sum of its proper divisors (1559299941).

2126317995 is a wasteful number, since it uses less digits than its factorization.

2126317995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47251522 (or 47251519 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 2126317995 is about 46112.0157334290. The cubic root of 2126317995 is about 1285.9065393196.

The spelling of 2126317995 in words is "two billion, one hundred twenty-six million, three hundred seventeen thousand, nine hundred ninety-five".