10957049909 has 8 divisors (see below), whose sum is σ = 11993341752. Its totient is φ = 9948392640.

The previous prime is 10957049897. The next prime is 10957049947. The reversal of 10957049909 is 90994075901.

It can be written as a sum of positive squares in 4 ways, for example, as 72301009 + 10884748900 = 8503^2 + 104330^2 .

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 10957049909 - 2⁴ = 10957049893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10957049959) 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, 6907814 + ... + 6909399.

It is an arithmetic number, because the mean of its divisors is an integer number (1499167719).

Almost surely, 2^10957049909 is an apocalyptic number.

It is an amenable number.

10957049909 is a deficient number, since it is larger than the sum of its proper divisors (1036291843).

10957049909 is a wasteful number, since it uses less digits than its factorization.

10957049909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13817287.

The product of its (nonzero) digits is 918540, while the sum is 53.

The spelling of 10957049909 in words is "ten billion, nine hundred fifty-seven million, forty-nine thousand, nine hundred nine".