4256604129 has 8 divisors (see below), whose sum is σ = 5728514400. Its totient is φ = 2811214976.

The previous prime is 4256604047. The next prime is 4256604151. The reversal of 4256604129 is 9214066524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4256604129 - 2²⁸ = 3988168673 is a prime.

It is a super-2 number, since 2×4256604129² = 36237357422039697282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4256604179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6629904 + ... + 6630545.

It is an arithmetic number, because the mean of its divisors is an integer number (716064300).

Almost surely, 2^4256604129 is an apocalyptic number.

It is an amenable number.

4256604129 is a deficient number, since it is larger than the sum of its proper divisors (1471910271).

4256604129 is a wasteful number, since it uses less digits than its factorization.

4256604129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260559.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 4256604129 is about 65242.6557476012. The cubic root of 4256604129 is about 1620.6444787529.

The spelling of 4256604129 in words is "four billion, two hundred fifty-six million, six hundred four thousand, one hundred twenty-nine".