3748267184021 has 4 divisors (see below), whose sum is σ = 3749383075200. Its totient is φ = 3747151292844.

The previous prime is 3748267183993. The next prime is 3748267184023. The reversal of 3748267184021 is 1204817628473.

It is a happy number.

3748267184021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3748267184021 - 2⁶ = 3748267183957 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 (3748267184023) 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, 557940551 + ... + 557947268.

It is an arithmetic number, because the mean of its divisors is an integer number (937345768800).

Almost surely, 2^{3748267184021} is an apocalyptic number.

It is an amenable number.

3748267184021 is a deficient number, since it is larger than the sum of its proper divisors (1115891179).

3748267184021 is a wasteful number, since it uses less digits than its factorization.

3748267184021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115891178.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 3748267184021 in words is "three trillion, seven hundred forty-eight billion, two hundred sixty-seven million, one hundred eighty-four thousand, twenty-one".