6990572143 has 2 divisors, whose sum is σ = 6990572144. Its totient is φ = 6990572142.

The previous prime is 6990572129. The next prime is 6990572167. The reversal of 6990572143 is 3412750996.

It is a happy number.

6990572143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6990572143 - 2²¹ = 6988474991 is a prime.

It is a super-2 number, since 2×6990572143² = 97736197772975224898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6990572093 and 6990572102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6990572543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495286071 + 3495286072.

It is an arithmetic number, because the mean of its divisors is an integer number (3495286072).

Almost surely, 2^6990572143 is an apocalyptic number.

6990572143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6990572143 is an equidigital number, since it uses as much as digits as its factorization.

6990572143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 6990572143 is about 83609.6414476225. The cubic root of 6990572143 is about 1912.0719949453.

The spelling of 6990572143 in words is "six billion, nine hundred ninety million, five hundred seventy-two thousand, one hundred forty-three".