4638133373 has 4 divisors (see below), whose sum is σ = 4638692448. Its totient is φ = 4637574300.

The previous prime is 4638133349. The next prime is 4638133391. The reversal of 4638133373 is 3733318364.

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 a cyclic number.

It is not a de Polignac number, because 4638133373 - 2²⁶ = 4571024509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4638133373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638133303) 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, 266903 + ... + 283748.

It is an arithmetic number, because the mean of its divisors is an integer number (1159673112).

Almost surely, 2^4638133373 is an apocalyptic number.

It is an amenable number.

4638133373 is a deficient number, since it is larger than the sum of its proper divisors (559075).

4638133373 is an equidigital number, since it uses as much as digits as its factorization.

4638133373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559074.

The product of its digits is 326592, while the sum is 41.

The square root of 4638133373 is about 68103.8425714732. The cubic root of 4638133373 is about 1667.6864917180.

The spelling of 4638133373 in words is "four billion, six hundred thirty-eight million, one hundred thirty-three thousand, three hundred seventy-three".