8366953421 has 8 divisors (see below), whose sum is σ = 8436916224. Its totient is φ = 8297054640.

The previous prime is 8366953381. The next prime is 8366953433. The reversal of 8366953421 is 1243596638.

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 8366953421 - 2²² = 8362759117 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 (8366958421) 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, 267236 + ... + 296898.

It is an arithmetic number, because the mean of its divisors is an integer number (1054614528).

Almost surely, 2^8366953421 is an apocalyptic number.

It is an amenable number.

8366953421 is a deficient number, since it is larger than the sum of its proper divisors (69962803).

8366953421 is a wasteful number, since it uses less digits than its factorization.

8366953421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32011.

The product of its digits is 933120, while the sum is 47.

The square root of 8366953421 is about 91471.0523663088. The cubic root of 8366953421 is about 2030.1234623641.

The spelling of 8366953421 in words is "eight billion, three hundred sixty-six million, nine hundred fifty-three thousand, four hundred twenty-one".