968994819 has 56 divisors (see below), whose sum is σ = 1592020080. Its totient is φ = 585859392.

The previous prime is 968994811. The next prime is 968994827. The reversal of 968994819 is 918499869.

968994819 is a `hidden beast` number, since 9 + 68 + 99 + 481 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (968994811) and next prime (968994827).

It is not a de Polignac number, because 968994819 - 2³ = 968994811 is a prime.

It is a super-2 number, since 2×968994819² = 1877901918497685522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (968994811) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 558277 + ... + 560009.

It is an arithmetic number, because the mean of its divisors is an integer number (28428930).

Almost surely, 2^968994819 is an apocalyptic number.

968994819 is a deficient number, since it is larger than the sum of its proper divisors (623025261).

968994819 is a wasteful number, since it uses less digits than its factorization.

968994819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823 (or 1808 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 63.

The square root of 968994819 is about 31128.6816135859. The cubic root of 968994819 is about 989.5562474053.

The spelling of 968994819 in words is "nine hundred sixty-eight million, nine hundred ninety-four thousand, eight hundred nineteen".