3773224803921 has 4 divisors (see below), whose sum is σ = 5030966405232. Its totient is φ = 2515483202612.

The previous prime is 3773224803913. The next prime is 3773224803979. The reversal of 3773224803921 is 1293084223773.

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 3773224803921 - 2³ = 3773224803913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3773224808921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628870800651 + ... + 628870800656.

It is an arithmetic number, because the mean of its divisors is an integer number (1257741601308).

Almost surely, 2^{3773224803921} is an apocalyptic number.

It is an amenable number.

3773224803921 is a deficient number, since it is larger than the sum of its proper divisors (1257741601311).

3773224803921 is a wasteful number, since it uses less digits than its factorization.

3773224803921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257741601310.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 3773224803921 in words is "three trillion, seven hundred seventy-three billion, two hundred twenty-four million, eight hundred three thousand, nine hundred twenty-one".