679299453 has 24 divisors (see below), whose sum is σ = 1162918848. Its totient is φ = 388170144.

The previous prime is 679299449. The next prime is 679299461. The reversal of 679299453 is 354992976.

It is not a de Polignac number, because 679299453 - 2² = 679299449 is a prime.

It is a super-2 number, since 2×679299453² = 922895493692198418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 679299453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679299253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197976 + ... + 201377.

It is an arithmetic number, because the mean of its divisors is an integer number (48454952).

Almost surely, 2^679299453 is an apocalyptic number.

679299453 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

679299453 is a deficient number, since it is larger than the sum of its proper divisors (483619395).

679299453 is an equidigital number, since it uses as much as digits as its factorization.

679299453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399375 (or 399363 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 679299453 is about 26063.3737839137. The cubic root of 679299453 is about 879.0638516675.

The spelling of 679299453 in words is "six hundred seventy-nine million, two hundred ninety-nine thousand, four hundred fifty-three".