4002673738621 has 4 divisors (see below), whose sum is σ = 4003108679232. Its totient is φ = 4002238798012.

The previous prime is 4002673738601. The next prime is 4002673738703. The reversal of 4002673738621 is 1268373762004.

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 4002673738621 - 2⁹ = 4002673738109 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002673738601) 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, 217456501 + ... + 217474906.

It is an arithmetic number, because the mean of its divisors is an integer number (1000777169808).

Almost surely, 2^{4002673738621} is an apocalyptic number.

It is an amenable number.

4002673738621 is a deficient number, since it is larger than the sum of its proper divisors (434940611).

4002673738621 is an equidigital number, since it uses as much as digits as its factorization.

4002673738621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434940610.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 4002673738621 in words is "four trillion, two billion, six hundred seventy-three million, seven hundred thirty-eight thousand, six hundred twenty-one".