8219354965 has 8 divisors (see below), whose sum is σ = 9864501120. Its totient is φ = 6574633872.

The previous prime is 8219354963. The next prime is 8219354977. The reversal of 8219354965 is 5694539128.

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 8219354965 - 2¹ = 8219354963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8219354963) 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, 62049 + ... + 142438.

It is an arithmetic number, because the mean of its divisors is an integer number (1233062640).

Almost surely, 2^8219354965 is an apocalyptic number.

It is an amenable number.

8219354965 is a deficient number, since it is larger than the sum of its proper divisors (1645146155).

8219354965 is a wasteful number, since it uses less digits than its factorization.

8219354965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212531.

The product of its digits is 2332800, while the sum is 52.

The square root of 8219354965 is about 90660.6583088828. The cubic root of 8219354965 is about 2018.1150082789.

The spelling of 8219354965 in words is "eight billion, two hundred nineteen million, three hundred fifty-four thousand, nine hundred sixty-five".