968515493 has 4 divisors (see below), whose sum is σ = 1056562368. Its totient is φ = 880468620.

The previous prime is 968515451. The next prime is 968515507. The reversal of 968515493 is 394515869.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394515869 = 11 ⋅35865079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968515493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968515403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44023421 + ... + 44023442.

It is an arithmetic number, because the mean of its divisors is an integer number (264140592).

Almost surely, 2^968515493 is an apocalyptic number.

It is an amenable number.

968515493 is a deficient number, since it is larger than the sum of its proper divisors (88046875).

968515493 is a wasteful number, since it uses less digits than its factorization.

968515493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88046874.

The product of its digits is 1166400, while the sum is 50.

The square root of 968515493 is about 31120.9815558571. The cubic root of 968515493 is about 989.3930548338.

The spelling of 968515493 in words is "nine hundred sixty-eight million, five hundred fifteen thousand, four hundred ninety-three".