7543247730641 has 4 divisors (see below), whose sum is σ = 8620854549312. Its totient is φ = 6465640911972.

The previous prime is 7543247730637. The next prime is 7543247730653. The reversal of 7543247730641 is 1460377423457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7543247730641 - 2² = 7543247730637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7543247730611) 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, 538803409325 + ... + 538803409338.

It is an arithmetic number, because the mean of its divisors is an integer number (2155213637328).

Almost surely, 2^{7543247730641} is an apocalyptic number.

It is an amenable number.

7543247730641 is a deficient number, since it is larger than the sum of its proper divisors (1077606818671).

7543247730641 is a wasteful number, since it uses less digits than its factorization.

7543247730641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077606818670.

The product of its (nonzero) digits is 11854080, while the sum is 53.

The spelling of 7543247730641 in words is "seven trillion, five hundred forty-three billion, two hundred forty-seven million, seven hundred thirty thousand, six hundred forty-one".