683816454 has 24 divisors (see below), whose sum is σ = 1483691040. Its totient is φ = 227617488.

The previous prime is 683816447. The next prime is 683816461. The reversal of 683816454 is 454618386.

It is an interprime number because it is at equal distance from previous prime (683816447) and next prime (683816461).

It is a super-2 number, since 2×683816454² = 935209885522268232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13477 + ... + 39360.

It is an arithmetic number, because the mean of its divisors is an integer number (61820460).

Almost surely, 2^683816454 is an apocalyptic number.

683816454 is an abundant number, since it is smaller than the sum of its proper divisors (799874586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

683816454 is a wasteful number, since it uses less digits than its factorization.

683816454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53564 (or 53561 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 683816454 is about 26149.8843974500. The cubic root of 683816454 is about 881.0079935439.

The spelling of 683816454 in words is "six hundred eighty-three million, eight hundred sixteen thousand, four hundred fifty-four".