679538611903 has 2 divisors, whose sum is σ = 679538611904. Its totient is φ = 679538611902.

The previous prime is 679538611901. The next prime is 679538611907. The reversal of 679538611903 is 309116835976.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679538611903 - 2¹ = 679538611901 is a prime.

Together with 679538611901, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679538611901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339769305951 + 339769305952.

It is an arithmetic number, because the mean of its divisors is an integer number (339769305952).

Almost surely, 2^679538611903 is an apocalyptic number.

679538611903 is a deficient number, since it is larger than the sum of its proper divisors (1).

679538611903 is an equidigital number, since it uses as much as digits as its factorization.

679538611903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 679538611903 in words is "six hundred seventy-nine billion, five hundred thirty-eight million, six hundred eleven thousand, nine hundred three".