4139463870 has 96 divisors (see below), whose sum is σ = 11357236800. Its totient is φ = 1043953152.

The previous prime is 4139463851. The next prime is 4139463871. The reversal of 4139463870 is 783649314.

4139463870 is a `hidden beast` number, since 4 + 1 + 3 + 9 + 4 + 638 + 7 + 0 = 666.

It is a super-2 number, since 2×4139463870² = 34270322262070753800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139463871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172996 + ... + 195464.

It is an arithmetic number, because the mean of its divisors is an integer number (118304550).

Almost surely, 2^4139463870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4139463870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5678618400).

4139463870 is an abundant number, since it is smaller than the sum of its proper divisors (7217772930).

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

4139463870 is a wasteful number, since it uses less digits than its factorization.

4139463870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22594 (or 22591 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 4139463870 is about 64338.6654353352. The cubic root of 4139463870 is about 1605.6394575436.

The spelling of 4139463870 in words is "four billion, one hundred thirty-nine million, four hundred sixty-three thousand, eight hundred seventy".