84630021393 has 8 divisors (see below), whose sum is σ = 112916123488. Its totient is φ = 56381966784.

The previous prime is 84630021373. The next prime is 84630021409. The reversal of 84630021393 is 39312003648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84630021393 - 2⁵ = 84630021361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84630021373) 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, 9506680 + ... + 9515577.

It is an arithmetic number, because the mean of its divisors is an integer number (14114515436).

Almost surely, 2^84630021393 is an apocalyptic number.

It is an amenable number.

84630021393 is a deficient number, since it is larger than the sum of its proper divisors (28286102095).

84630021393 is a wasteful number, since it uses less digits than its factorization.

84630021393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19023743.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 84630021393 in words is "eighty-four billion, six hundred thirty million, twenty-one thousand, three hundred ninety-three".