4121905513 has 8 divisors (see below), whose sum is σ = 4502542176. Its totient is φ = 3742255200.

The previous prime is 4121905511. The next prime is 4121905553. The reversal of 4121905513 is 3155091214.

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 4121905513 - 2¹ = 4121905511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4121905511) by changing a digit.

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, 237831 + ... + 254572.

It is an arithmetic number, because the mean of its divisors is an integer number (562817772).

Almost surely, 2^4121905513 is an apocalyptic number.

It is an amenable number.

4121905513 is a deficient number, since it is larger than the sum of its proper divisors (380636663).

4121905513 is a wasteful number, since it uses less digits than its factorization.

4121905513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493175.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 4121905513 is about 64202.0678249540. The cubic root of 4121905513 is about 1603.3660273684.

Adding to 4121905513 its reverse (3155091214), we get a palindrome (7276996727).

The spelling of 4121905513 in words is "four billion, one hundred twenty-one million, nine hundred five thousand, five hundred thirteen".