4929513621 has 8 divisors (see below), whose sum is σ = 6576171840. Its totient is φ = 3284598912.

The previous prime is 4929513619. The next prime is 4929513637. The reversal of 4929513621 is 1263159294.

4929513621 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 not a de Polignac number, because 4929513621 - 2¹ = 4929513619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4929513601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429265 + ... + 440598.

It is an arithmetic number, because the mean of its divisors is an integer number (822021480).

Almost surely, 2^4929513621 is an apocalyptic number.

It is an amenable number.

4929513621 is a deficient number, since it is larger than the sum of its proper divisors (1646658219).

4929513621 is a wasteful number, since it uses less digits than its factorization.

4929513621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871755.

The product of its digits is 116640, while the sum is 42.

The square root of 4929513621 is about 70210.4950915460. The cubic root of 4929513621 is about 1701.9025551973.

The spelling of 4929513621 in words is "four billion, nine hundred twenty-nine million, five hundred thirteen thousand, six hundred twenty-one".