2443254728461 has 4 divisors (see below), whose sum is σ = 2443583439612. Its totient is φ = 2442926017312.

The previous prime is 2443254728449. The next prime is 2443254728483. The reversal of 2443254728461 is 1648274523442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 907313400900 + 1535941327561 = 952530^2 + 1239331^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443254728461 - 2⁴¹ = 244231472909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2443254728399 and 2443254728408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443251728461) 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, 164344426 + ... + 164359291.

It is an arithmetic number, because the mean of its divisors is an integer number (610895859903).

Almost surely, 2^{2443254728461} is an apocalyptic number.

It is an amenable number.

2443254728461 is a deficient number, since it is larger than the sum of its proper divisors (328711151).

2443254728461 is an equidigital number, since it uses as much as digits as its factorization.

2443254728461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328711150.

The product of its digits is 10321920, while the sum is 52.

The spelling of 2443254728461 in words is "two trillion, four hundred forty-three billion, two hundred fifty-four million, seven hundred twenty-eight thousand, four hundred sixty-one".