4119849678 has 64 divisors (see below), whose sum is σ = 9752463360. Its totient is φ = 1135233792.

The previous prime is 4119849673. The next prime is 4119849697. The reversal of 4119849678 is 8769489114.

It is a happy number.

It is a super-2 number, since 2×4119849678² = 33946322738633407368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4119849673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1732026 + ... + 1734402.

It is an arithmetic number, because the mean of its divisors is an integer number (152382240).

Almost surely, 2^4119849678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4119849678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4876231680).

4119849678 is an abundant number, since it is smaller than the sum of its proper divisors (5632613682).

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

4119849678 is a wasteful number, since it uses less digits than its factorization.

4119849678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841.

The product of its digits is 3483648, while the sum is 57.

The square root of 4119849678 is about 64186.0551677699. The cubic root of 4119849678 is about 1603.0994189474.

The spelling of 4119849678 in words is "four billion, one hundred nineteen million, eight hundred forty-nine thousand, six hundred seventy-eight".