993050143 has 4 divisors (see below), whose sum is σ = 1045315960. Its totient is φ = 940784328.

The previous prime is 993050131. The next prime is 993050159. The reversal of 993050143 is 341050399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341050399 = 19 ⋅17950021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993050143 is a prime.

It is a super-2 number, since 2×993050143² = 1972297173024640898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 993050099 and 993050108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993050173) 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, 26132880 + ... + 26132917.

It is an arithmetic number, because the mean of its divisors is an integer number (261328990).

Almost surely, 2^993050143 is an apocalyptic number.

993050143 is a deficient number, since it is larger than the sum of its proper divisors (52265817).

993050143 is a wasteful number, since it uses less digits than its factorization.

993050143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52265816.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 993050143 is about 31512.6981231376. The cubic root of 993050143 is about 997.6779934588.

The spelling of 993050143 in words is "nine hundred ninety-three million, fifty thousand, one hundred forty-three".