9946237853 has 4 divisors (see below), whose sum is σ = 10066072128. Its totient is φ = 9826403580.

The previous prime is 9946237831. The next prime is 9946237913. The reversal of 9946237853 is 3587326499.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3587326499 = 167 ⋅21480997.

It is a cyclic number.

It is not a de Polignac number, because 9946237853 - 2²⁰ = 9945189277 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 (9946233853) 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, 59917013 + ... + 59917178.

It is an arithmetic number, because the mean of its divisors is an integer number (2516518032).

Almost surely, 2^9946237853 is an apocalyptic number.

It is an amenable number.

9946237853 is a deficient number, since it is larger than the sum of its proper divisors (119834275).

9946237853 is a wasteful number, since it uses less digits than its factorization.

9946237853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119834274.

The product of its digits is 9797760, while the sum is 56.

The square root of 9946237853 is about 99730.8269944655. The cubic root of 9946237853 is about 2150.5668491305.

The spelling of 9946237853 in words is "nine billion, nine hundred forty-six million, two hundred thirty-seven thousand, eight hundred fifty-three".