4129149678 has 16 divisors (see below), whose sum is σ = 8259227856. Its totient is φ = 1376228480.

The previous prime is 4129149631. The next prime is 4129149701. The reversal of 4129149678 is 8769419214.

It is a self number, because there is not a number n which added to its sum of digits gives 4129149678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27958 + ... + 95078.

It is an arithmetic number, because the mean of its divisors is an integer number (516201741).

Almost surely, 2^4129149678 is an apocalyptic number.

4129149678 is an abundant number, since it is smaller than the sum of its proper divisors (4130078178).

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

4129149678 is a wasteful number, since it uses less digits than its factorization.

4129149678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77379.

The product of its digits is 870912, while the sum is 51.

The square root of 4129149678 is about 64258.4599722091. The cubic root of 4129149678 is about 1604.3047720221.

The spelling of 4129149678 in words is "four billion, one hundred twenty-nine million, one hundred forty-nine thousand, six hundred seventy-eight".