968719453 has 4 divisors (see below), whose sum is σ = 1043236348. Its totient is φ = 894202560.

The previous prime is 968719441. The next prime is 968719457. The reversal of 968719453 is 354917869.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354917869 = 4079 ⋅87011.

It can be written as a sum of positive squares in 2 ways, for example, as 398321764 + 570397689 = 19958^2 + 23883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968719453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 968719453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968719457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37258428 + ... + 37258453.

It is an arithmetic number, because the mean of its divisors is an integer number (260809087).

Almost surely, 2^968719453 is an apocalyptic number.

It is an amenable number.

968719453 is a deficient number, since it is larger than the sum of its proper divisors (74516895).

968719453 is a wasteful number, since it uses less digits than its factorization.

968719453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74516894.

The product of its digits is 1632960, while the sum is 52.

The square root of 968719453 is about 31124.2582722866. The cubic root of 968719453 is about 989.4625021633.

The spelling of 968719453 in words is "nine hundred sixty-eight million, seven hundred nineteen thousand, four hundred fifty-three".