10254543243 has 32 divisors (see below), whose sum is σ = 15882324480. Its totient is φ = 5764281600.

The previous prime is 10254543239. The next prime is 10254543269. The reversal of 10254543243 is 34234545201.

It is not a de Polignac number, because 10254543243 - 2² = 10254543239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10254543643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354268 + ... + 382118.

It is an arithmetic number, because the mean of its divisors is an integer number (496322640).

Almost surely, 2^10254543243 is an apocalyptic number.

10254543243 is a deficient number, since it is larger than the sum of its proper divisors (5627781237).

10254543243 is a wasteful number, since it uses less digits than its factorization.

10254543243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28147.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 10254543243 in words is "ten billion, two hundred fifty-four million, five hundred forty-three thousand, two hundred forty-three".