9781050953 has 4 divisors (see below), whose sum is σ = 9794655360. Its totient is φ = 9767446548.

The previous prime is 9781050911. The next prime is 9781050959. The reversal of 9781050953 is 3590501879.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9781050953 - 2²⁰ = 9780002377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9781050898 and 9781050907.

It is not an unprimeable number, because it can be changed into a prime (9781050959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6801125 + ... + 6802562.

It is an arithmetic number, because the mean of its divisors is an integer number (2448663840).

Almost surely, 2^9781050953 is an apocalyptic number.

It is an amenable number.

9781050953 is a deficient number, since it is larger than the sum of its proper divisors (13604407).

9781050953 is a wasteful number, since it uses less digits than its factorization.

9781050953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13604406.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 9781050953 is about 98899.1959168526. The cubic root of 9781050953 is about 2138.5948029653.

The spelling of 9781050953 in words is "nine billion, seven hundred eighty-one million, fifty thousand, nine hundred fifty-three".