4047359905 has 8 divisors (see below), whose sum is σ = 4858342632. Its totient is φ = 3236880768.

The previous prime is 4047359873. The next prime is 4047359923. The reversal of 4047359905 is 5099537404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2352638016 + 1694721889 = 48504^2 + 41167^2 .

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 4047359905 - 2⁵ = 4047359873 is a prime.

It is a super-2 number, since 2×4047359905² = 32762244401203218050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107982 + ... + 140551.

It is an arithmetic number, because the mean of its divisors is an integer number (607292829).

Almost surely, 2^4047359905 is an apocalyptic number.

It is an amenable number.

4047359905 is a deficient number, since it is larger than the sum of its proper divisors (810982727).

4047359905 is a wasteful number, since it uses less digits than its factorization.

4047359905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251795.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 4047359905 is about 63618.8643799935. The cubic root of 4047359905 is about 1593.6414180440.

The spelling of 4047359905 in words is "four billion, forty-seven million, three hundred fifty-nine thousand, nine hundred five".