679850314433 has 2 divisors, whose sum is σ = 679850314434. Its totient is φ = 679850314432.

The previous prime is 679850314427. The next prime is 679850314459. The reversal of 679850314433 is 334413058976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 649655344144 + 30194970289 = 806012^2 + 173767^2 .

It is a cyclic number.

It is not a de Polignac number, because 679850314433 - 2⁴ = 679850314417 is a prime.

It is a super-2 number, since 2×679850314433² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (679850314333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339925157216 + 339925157217.

It is an arithmetic number, because the mean of its divisors is an integer number (339925157217).

Almost surely, 2^679850314433 is an apocalyptic number.

It is an amenable number.

679850314433 is a deficient number, since it is larger than the sum of its proper divisors (1).

679850314433 is an equidigital number, since it uses as much as digits as its factorization.

679850314433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 679850314433 in words is "six hundred seventy-nine billion, eight hundred fifty million, three hundred fourteen thousand, four hundred thirty-three".