4155387905 has 8 divisors (see below), whose sum is σ = 5060890752. Its totient is φ = 3274693488.

The previous prime is 4155387889. The next prime is 4155387917. The reversal of 4155387905 is 5097835514.

4155387905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4155387905 - 2⁴ = 4155387889 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 4155387905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6201737 + ... + 6202406.

It is an arithmetic number, because the mean of its divisors is an integer number (632611344).

Almost surely, 2^4155387905 is an apocalyptic number.

It is an amenable number.

4155387905 is a deficient number, since it is larger than the sum of its proper divisors (905502847).

4155387905 is a wasteful number, since it uses less digits than its factorization.

4155387905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12404215.

The product of its (nonzero) digits is 756000, while the sum is 47.

The square root of 4155387905 is about 64462.2983223527. The cubic root of 4155387905 is about 1607.6957256638.

The spelling of 4155387905 in words is "four billion, one hundred fifty-five million, three hundred eighty-seven thousand, nine hundred five".