4638219213 has 4 divisors (see below), whose sum is σ = 6184292288. Its totient is φ = 3092146140.

The previous prime is 4638219203. The next prime is 4638219277. The reversal of 4638219213 is 3129128364.

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 4638219213 - 2¹² = 4638215117 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 (4638219203) 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, 773036533 + ... + 773036538.

It is an arithmetic number, because the mean of its divisors is an integer number (1546073072).

Almost surely, 2^4638219213 is an apocalyptic number.

It is an amenable number.

4638219213 is a deficient number, since it is larger than the sum of its proper divisors (1546073075).

4638219213 is a wasteful number, since it uses less digits than its factorization.

4638219213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546073074.

The product of its digits is 62208, while the sum is 39.

The square root of 4638219213 is about 68104.4727826301. The cubic root of 4638219213 is about 1667.6967798600.

The spelling of 4638219213 in words is "four billion, six hundred thirty-eight million, two hundred nineteen thousand, two hundred thirteen".