679454263 has 2 divisors, whose sum is σ = 679454264. Its totient is φ = 679454262.

The previous prime is 679454219. The next prime is 679454291. The reversal of 679454263 is 362454976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679454263 - 2⁹ = 679453751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679451263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339727131 + 339727132.

It is an arithmetic number, because the mean of its divisors is an integer number (339727132).

Almost surely, 2^679454263 is an apocalyptic number.

679454263 is a deficient number, since it is larger than the sum of its proper divisors (1).

679454263 is an equidigital number, since it uses as much as digits as its factorization.

679454263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 46.

The square root of 679454263 is about 26066.3434911765. The cubic root of 679454263 is about 879.1306251342.

The spelling of 679454263 in words is "six hundred seventy-nine million, four hundred fifty-four thousand, two hundred sixty-three".