679207438019 has 32 divisors (see below), whose sum is σ = 796737047040. Its totient is φ = 572168896000.

The previous prime is 679207438009. The next prime is 679207438027. The reversal of 679207438019 is 910834702976.

679207438019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 679207438019 - 2²⁰ = 679206389443 is a prime.

It is a super-2 number, since 2×679207438019² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679207438009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3280322 + ... + 3481224.

It is an arithmetic number, because the mean of its divisors is an integer number (24898032720).

Almost surely, 2^679207438019 is an apocalyptic number.

679207438019 is a deficient number, since it is larger than the sum of its proper divisors (117529609021).

679207438019 is a wasteful number, since it uses less digits than its factorization.

679207438019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201211.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 679207438019 in words is "six hundred seventy-nine billion, two hundred seven million, four hundred thirty-eight thousand, nineteen".