2544522453421 has 8 divisors (see below), whose sum is σ = 2740273932704. Its totient is φ = 2348773686000.

The previous prime is 2544522453401. The next prime is 2544522453427. The reversal of 2544522453421 is 1243542254452.

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 2544522453421 - 2⁷ = 2544522453293 is a prime.

It is a super-2 number, since 2×2544522453421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544522453427) 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, 1539430 + ... + 2731096.

It is an arithmetic number, because the mean of its divisors is an integer number (342534241588).

Almost surely, 2^{2544522453421} is an apocalyptic number.

It is an amenable number.

2544522453421 is a deficient number, since it is larger than the sum of its proper divisors (195751479283).

2544522453421 is a wasteful number, since it uses less digits than its factorization.

2544522453421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355931.

The product of its digits is 1536000, while the sum is 43.

The spelling of 2544522453421 in words is "two trillion, five hundred forty-four billion, five hundred twenty-two million, four hundred fifty-three thousand, four hundred twenty-one".