4978671969 has 16 divisors (see below), whose sum is σ = 7070813568. Its totient is φ = 3105161472.

The previous prime is 4978671961. The next prime is 4978671983. The reversal of 4978671969 is 9691768794.

It is not a de Polignac number, because 4978671969 - 2³ = 4978671961 is a prime.

It is a super-2 number, since 2×4978671969² = 49574349149812673922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4978671961) 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, 283762 + ... + 300795.

It is an arithmetic number, because the mean of its divisors is an integer number (441925848).

Almost surely, 2^4978671969 is an apocalyptic number.

It is an amenable number.

4978671969 is a deficient number, since it is larger than the sum of its proper divisors (2092141599).

4978671969 is a wasteful number, since it uses less digits than its factorization.

4978671969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584744.

The product of its digits is 41150592, while the sum is 66.

The square root of 4978671969 is about 70559.7049951316. The cubic root of 4978671969 is about 1707.5411200508.

The spelling of 4978671969 in words is "four billion, nine hundred seventy-eight million, six hundred seventy-one thousand, nine hundred sixty-nine".