9661854253 has 8 divisors (see below), whose sum is σ = 9720436736. Its totient is φ = 9603360000.

The previous prime is 9661854247. The next prime is 9661854313. The reversal of 9661854253 is 3524581669.

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 9661854253 - 2⁹ = 9661853741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9661854197 and 9661854206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9661854203) 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, 204628 + ... + 247378.

It is an arithmetic number, because the mean of its divisors is an integer number (1215054592).

Almost surely, 2^9661854253 is an apocalyptic number.

It is an amenable number.

9661854253 is a deficient number, since it is larger than the sum of its proper divisors (58582483).

9661854253 is a wasteful number, since it uses less digits than its factorization.

9661854253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44115.

The product of its digits is 1555200, while the sum is 49.

The square root of 9661854253 is about 98294.7315627852. The cubic root of 9661854253 is about 2129.8719498796.

The spelling of 9661854253 in words is "nine billion, six hundred sixty-one million, eight hundred fifty-four thousand, two hundred fifty-three".