98993143 has 2 divisors, whose sum is σ = 98993144. Its totient is φ = 98993142.

The previous prime is 98993131. The next prime is 98993149. The reversal of 98993143 is 34139989.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98993143 is a prime.

It is a super-2 number, since 2×98993143² = 19599284722036898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 98993093 and 98993102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98993149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49496571 + 49496572.

It is an arithmetic number, because the mean of its divisors is an integer number (49496572).

Almost surely, 2^98993143 is an apocalyptic number.

98993143 is a deficient number, since it is larger than the sum of its proper divisors (1).

98993143 is an equidigital number, since it uses as much as digits as its factorization.

98993143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 98993143 is about 9949.5297878845. The cubic root of 98993143 is about 462.5958202246.

The spelling of 98993143 in words is "ninety-eight million, nine hundred ninety-three thousand, one hundred forty-three".