9491853975 has 12 divisors (see below), whose sum is σ = 15693198696. Its totient is φ = 5062322080.

The previous prime is 9491853971. The next prime is 9491853991. The reversal of 9491853975 is 5793581949.

It is not a de Polignac number, because 9491853975 - 2² = 9491853971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9491853971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63278952 + ... + 63279101.

It is an arithmetic number, because the mean of its divisors is an integer number (1307766558).

Almost surely, 2^9491853975 is an apocalyptic number.

9491853975 is a deficient number, since it is larger than the sum of its proper divisors (6201344721).

9491853975 is a wasteful number, since it uses less digits than its factorization.

9491853975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126558066 (or 126558061 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 60.

The square root of 9491853975 is about 97426.1462596155. The cubic root of 9491853975 is about 2117.3062659528.

The spelling of 9491853975 in words is "nine billion, four hundred ninety-one million, eight hundred fifty-three thousand, nine hundred seventy-five".