679422653 has 16 divisors (see below), whose sum is σ = 880225920. Its totient is φ = 509270976.

The previous prime is 679422649. The next prime is 679422659. The reversal of 679422653 is 356224976.

It is a cyclic number.

It is not a de Polignac number, because 679422653 - 2² = 679422649 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679422659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194750 + ... + 198207.

It is an arithmetic number, because the mean of its divisors is an integer number (55014120).

Almost surely, 2^679422653 is an apocalyptic number.

It is an amenable number.

679422653 is a deficient number, since it is larger than the sum of its proper divisors (200803267).

679422653 is a wasteful number, since it uses less digits than its factorization.

679422653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392996.

The product of its digits is 544320, while the sum is 44.

The square root of 679422653 is about 26065.7371466836. The cubic root of 679422653 is about 879.1169917662.

The spelling of 679422653 in words is "six hundred seventy-nine million, four hundred twenty-two thousand, six hundred fifty-three".