911958796009 has 4 divisors (see below), whose sum is σ = 915941149060. Its totient is φ = 907976442960.

The previous prime is 911958795989. The next prime is 911958796013. The reversal of 911958796009 is 900697859119.

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 431127499609 + 480831296400 = 656603^2 + 693420^2 .

It is a cyclic number.

It is not a de Polignac number, because 911958796009 - 2⁵ = 911958795977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (911958796079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991176182 + ... + 1991176639.

It is an arithmetic number, because the mean of its divisors is an integer number (228985287265).

Almost surely, 2^911958796009 is an apocalyptic number.

It is an amenable number.

911958796009 is a deficient number, since it is larger than the sum of its proper divisors (3982353051).

911958796009 is a wasteful number, since it uses less digits than its factorization.

911958796009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982353050.

The product of its (nonzero) digits is 11022480, while the sum is 64.

The spelling of 911958796009 in words is "nine hundred eleven billion, nine hundred fifty-eight million, seven hundred ninety-six thousand, nine".