4159218061 has 4 divisors (see below), whose sum is σ = 4159374624. Its totient is φ = 4159061500.

The previous prime is 4159218031. The next prime is 4159218067. The reversal of 4159218061 is 1608129514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1608129514 = 2 ⋅804064757.

It is a cyclic number.

It is not a de Polignac number, because 4159218061 - 2²³ = 4150829453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4159218061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4159218067) 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, 27415 + ... + 95236.

It is an arithmetic number, because the mean of its divisors is an integer number (1039843656).

Almost surely, 2^4159218061 is an apocalyptic number.

It is an amenable number.

4159218061 is a deficient number, since it is larger than the sum of its proper divisors (156563).

4159218061 is a wasteful number, since it uses less digits than its factorization.

4159218061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156562.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 4159218061 is about 64491.9999767413. Note that the first 4 decimals coincide. The cubic root of 4159218061 is about 1608.1895290995.

The spelling of 4159218061 in words is "four billion, one hundred fifty-nine million, two hundred eighteen thousand, sixty-one".