4479806993 has 4 divisors (see below), whose sum is σ = 4624316928. Its totient is φ = 4335297060.

The previous prime is 4479806959. The next prime is 4479807001. The reversal of 4479806993 is 3996089744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4479806993 - 2²⁸ = 4211371537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4479806923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72254921 + ... + 72254982.

It is an arithmetic number, because the mean of its divisors is an integer number (1156079232).

Almost surely, 2^4479806993 is an apocalyptic number.

It is an amenable number.

4479806993 is a deficient number, since it is larger than the sum of its proper divisors (144509935).

4479806993 is a wasteful number, since it uses less digits than its factorization.

4479806993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144509934.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The square root of 4479806993 is about 66931.3603103956. The cubic root of 4479806993 is about 1648.4904458658.

The spelling of 4479806993 in words is "four billion, four hundred seventy-nine million, eight hundred six thousand, nine hundred ninety-three".