913446531243 has 16 divisors (see below), whose sum is σ = 1353285242400. Its totient is φ = 608950349280.

The previous prime is 913446531227. The next prime is 913446531251. The reversal of 913446531243 is 342135644319.

913446531243 is a `hidden beast` number, since 9 + 1 + 34 + 46 + 531 + 2 + 43 = 666.

It is not a de Polignac number, because 913446531243 - 2⁴ = 913446531227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (913446531203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882273 + ... + 1614093.

It is an arithmetic number, because the mean of its divisors is an integer number (84580327650).

Almost surely, 2^913446531243 is an apocalyptic number.

913446531243 is a deficient number, since it is larger than the sum of its proper divisors (439838711157).

913446531243 is a wasteful number, since it uses less digits than its factorization.

913446531243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778059 (or 778053 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 913446531243 in words is "nine hundred thirteen billion, four hundred forty-six million, five hundred thirty-one thousand, two hundred forty-three".