99458442653543 has 4 divisors (see below), whose sum is σ = 105308939280240. Its totient is φ = 93607946026848.

The previous prime is 99458442653489. The next prime is 99458442653561. The reversal of 99458442653543 is 34535624485499.

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

It is a cyclic number.

It is not a de Polignac number, because 99458442653543 - 2²⁶ = 99458375544679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99458442653243) 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, 2925248313323 + ... + 2925248313356.

It is an arithmetic number, because the mean of its divisors is an integer number (26327234820060).

Almost surely, 2^{99458442653543} is an apocalyptic number.

99458442653543 is a deficient number, since it is larger than the sum of its proper divisors (5850496626697).

99458442653543 is a wasteful number, since it uses less digits than its factorization.

99458442653543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850496626696.

The product of its digits is 2239488000, while the sum is 71.

The spelling of 99458442653543 in words is "ninety-nine trillion, four hundred fifty-eight billion, four hundred forty-two million, six hundred fifty-three thousand, five hundred forty-three".