2238073186021 has 16 divisors (see below), whose sum is σ = 2455516229760. Its totient is φ = 2033061750720.

The previous prime is 2238073186003. The next prime is 2238073186049. The reversal of 2238073186021 is 1206813708322.

It is a cyclic number.

It is not a de Polignac number, because 2238073186021 - 2⁷ = 2238073185893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238073186061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27462855 + ... + 27544228.

It is an arithmetic number, because the mean of its divisors is an integer number (153469764360).

Almost surely, 2^{2238073186021} is an apocalyptic number.

It is an amenable number.

2238073186021 is a deficient number, since it is larger than the sum of its proper divisors (217443043739).

2238073186021 is a wasteful number, since it uses less digits than its factorization.

2238073186021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55007196.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 2238073186021 in words is "two trillion, two hundred thirty-eight billion, seventy-three million, one hundred eighty-six thousand, twenty-one".