4921538513 has 8 divisors (see below), whose sum is σ = 5030372160. Its totient is φ = 4813552240.

The previous prime is 4921538507. The next prime is 4921538527. The reversal of 4921538513 is 3158351294.

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 4921538513 - 2⁶ = 4921538449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4921538563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200093 + ... + 223338.

It is an arithmetic number, because the mean of its divisors is an integer number (628796520).

Almost surely, 2^4921538513 is an apocalyptic number.

It is an amenable number.

4921538513 is a deficient number, since it is larger than the sum of its proper divisors (108833647).

4921538513 is a wasteful number, since it uses less digits than its factorization.

4921538513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423687.

The product of its digits is 129600, while the sum is 41.

The square root of 4921538513 is about 70153.6778294624. The cubic root of 4921538513 is about 1700.9842642777.

The spelling of 4921538513 in words is "four billion, nine hundred twenty-one million, five hundred thirty-eight thousand, five hundred thirteen".