4129863428 has 6 divisors (see below), whose sum is σ = 7227261006. Its totient is φ = 2064931712.

The previous prime is 4129863379. The next prime is 4129863433. The reversal of 4129863428 is 8243689214.

It can be written as a sum of positive squares in only one way, i.e., 3596161024 + 533702404 = 59968^2 + 23102^2 .

It is a super-2 number, since 2×4129863428² = 34111543867863822368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516232925 + ... + 516232932.

It is an arithmetic number, because the mean of its divisors is an integer number (1204543501).

Almost surely, 2^4129863428 is an apocalyptic number.

It is an amenable number.

4129863428 is a deficient number, since it is larger than the sum of its proper divisors (3097397578).

4129863428 is a wasteful number, since it uses less digits than its factorization.

4129863428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032465861 (or 1032465859 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 4129863428 is about 64264.0134756615. The cubic root of 4129863428 is about 1604.3972048189.

The spelling of 4129863428 in words is "four billion, one hundred twenty-nine million, eight hundred sixty-three thousand, four hundred twenty-eight".