7243540453427 has 16 divisors (see below), whose sum is σ = 7738825516800. Its totient is φ = 6759666444960.

The previous prime is 7243540453399. The next prime is 7243540453451.

7243540453427 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7243540453427 - 2¹⁶ = 7243540387891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7243540453727) 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, 52558274 + ... + 52695912.

It is an arithmetic number, because the mean of its divisors is an integer number (483676594800).

Almost surely, 2^{7243540453427} is an apocalyptic number.

7243540453427 is a deficient number, since it is larger than the sum of its proper divisors (495285063373).

7243540453427 is a wasteful number, since it uses less digits than its factorization.

7243540453427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179066.

The product of its (nonzero) digits is 11289600, while the sum is 50.

It can be divided in two parts, 7243540 and 453427, that added together give a palindrome (7696967).

The spelling of 7243540453427 in words is "seven trillion, two hundred forty-three billion, five hundred forty million, four hundred fifty-three thousand, four hundred twenty-seven".