9495947621 has 8 divisors (see below), whose sum is σ = 10067195904. Its totient is φ = 8941257360.

The previous prime is 9495947609. The next prime is 9495947641. The reversal of 9495947621 is 1267495949.

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 9495947621 - 2¹⁸ = 9495685477 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 (9495947641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4138325 + ... + 4140618.

It is an arithmetic number, because the mean of its divisors is an integer number (1258399488).

Almost surely, 2^9495947621 is an apocalyptic number.

It is an amenable number.

9495947621 is a deficient number, since it is larger than the sum of its proper divisors (571248283).

9495947621 is a wasteful number, since it uses less digits than its factorization.

9495947621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279011.

The product of its digits is 4898880, while the sum is 56.

The square root of 9495947621 is about 97447.1529650815. The cubic root of 9495947621 is about 2117.6106060957.

The spelling of 9495947621 in words is "nine billion, four hundred ninety-five million, nine hundred forty-seven thousand, six hundred twenty-one".