4156739059 has 4 divisors (see below), whose sum is σ = 4534624440. Its totient is φ = 3778853680.

The previous prime is 4156739021. The next prime is 4156739087. The reversal of 4156739059 is 9509376514.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4156739059 - 2¹⁹ = 4156214771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4156739159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188942674 + ... + 188942695.

It is an arithmetic number, because the mean of its divisors is an integer number (1133656110).

Almost surely, 2^4156739059 is an apocalyptic number.

4156739059 is a deficient number, since it is larger than the sum of its proper divisors (377885381).

4156739059 is a wasteful number, since it uses less digits than its factorization.

4156739059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377885380.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 4156739059 is about 64472.7776584816. Note that the first 3 decimals coincide. The cubic root of 4156739059 is about 1607.8699580229.

The spelling of 4156739059 in words is "four billion, one hundred fifty-six million, seven hundred thirty-nine thousand, fifty-nine".