4349129850 has 288 divisors, whose sum is σ = 13151908224. Its totient is φ = 1023321600.

The previous prime is 4349129843. The next prime is 4349129879. The reversal of 4349129850 is 589219434.

It is a super-2 number, since 2×4349129850² = 37829860904322045000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 4349129796 and 4349129805.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15367809 + ... + 15368091.

It is an arithmetic number, because the mean of its divisors is an integer number (45666348).

Almost surely, 2^4349129850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4349129850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6575954112).

4349129850 is an abundant number, since it is smaller than the sum of its proper divisors (8802778374).

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

4349129850 is a wasteful number, since it uses less digits than its factorization.

4349129850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 4349129850 is about 65947.9328713190. The cubic root of 4349129850 is about 1632.3030475476.

The spelling of 4349129850 in words is "four billion, three hundred forty-nine million, one hundred twenty-nine thousand, eight hundred fifty".