4629721613 has 4 divisors (see below), whose sum is σ = 5050605408. Its totient is φ = 4208837820.

The previous prime is 4629721601. The next prime is 4629721619. The reversal of 4629721613 is 3161279264.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4629721613 - 2²⁴ = 4612944397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4629721619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210441881 + ... + 210441902.

It is an arithmetic number, because the mean of its divisors is an integer number (1262651352).

Almost surely, 2^4629721613 is an apocalyptic number.

It is an amenable number.

4629721613 is a deficient number, since it is larger than the sum of its proper divisors (420883795).

4629721613 is a wasteful number, since it uses less digits than its factorization.

4629721613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420883794.

The product of its digits is 108864, while the sum is 41.

The square root of 4629721613 is about 68042.0576775864. The cubic root of 4629721613 is about 1666.6777045980.

The spelling of 4629721613 in words is "four billion, six hundred twenty-nine million, seven hundred twenty-one thousand, six hundred thirteen".