2243721725477 has 8 divisors (see below), whose sum is σ = 2341430432064. Its totient is φ = 2146025984608.

The previous prime is 2243721725411. The next prime is 2243721725501. The reversal of 2243721725477 is 7745271273422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243721725477 - 2¹⁴ = 2243721709093 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 (2243721755477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886968 + ... + 3580785.

It is an arithmetic number, because the mean of its divisors is an integer number (292678804008).

Almost surely, 2^{2243721725477} is an apocalyptic number.

It is an amenable number.

2243721725477 is a deficient number, since it is larger than the sum of its proper divisors (97708706587).

2243721725477 is a wasteful number, since it uses less digits than its factorization.

2243721725477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482859.

The product of its digits is 9219840, while the sum is 53.

Adding to 2243721725477 its reverse (7745271273422), we get a palindrome (9988992998899).

The spelling of 2243721725477 in words is "two trillion, two hundred forty-three billion, seven hundred twenty-one million, seven hundred twenty-five thousand, four hundred seventy-seven".