99994143583 has 2 divisors, whose sum is σ = 99994143584. Its totient is φ = 99994143582.

The previous prime is 99994143569. The next prime is 99994143653. The reversal of 99994143583 is 38534149999.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99994143583 is a prime.

It is a super-3 number, since 3×99994143583³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99994143533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49997071791 + 49997071792.

It is an arithmetic number, because the mean of its divisors is an integer number (49997071792).

Almost surely, 2^99994143583 is an apocalyptic number.

99994143583 is a deficient number, since it is larger than the sum of its proper divisors (1).

99994143583 is an equidigital number, since it uses as much as digits as its factorization.

99994143583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37791360, while the sum is 64.

The spelling of 99994143583 in words is "ninety-nine billion, nine hundred ninety-four million, one hundred forty-three thousand, five hundred eighty-three".