393982654465 has 8 divisors (see below), whose sum is σ = 472792320000. Its totient is φ = 315177367152.

The previous prime is 393982654451. The next prime is 393982654469. The reversal of 393982654465 is 564456289393.

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 393982654465 - 2⁵ = 393982654433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 393982654397 and 393982654406.

It is not an unprimeable number, because it can be changed into a prime (393982654469) 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, 893215 + ... + 1259284.

It is an arithmetic number, because the mean of its divisors is an integer number (59099040000).

Almost surely, 2^393982654465 is an apocalyptic number.

It is an amenable number.

393982654465 is a deficient number, since it is larger than the sum of its proper divisors (78809665535).

393982654465 is a wasteful number, since it uses less digits than its factorization.

393982654465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189111.

The product of its digits is 167961600, while the sum is 64.

The spelling of 393982654465 in words is "three hundred ninety-three billion, nine hundred eighty-two million, six hundred fifty-four thousand, four hundred sixty-five".