3143989157 has 2 divisors, whose sum is σ = 3143989158. Its totient is φ = 3143989156.

The previous prime is 3143989141. The next prime is 3143989159. The reversal of 3143989157 is 7519893413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2400118081 + 743871076 = 48991^2 + 27274^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143989157 - 2⁴ = 3143989141 is a prime.

It is a super-3 number, since 3×3143989157³ (a number of 29 digits) contains 333 as substring.

Together with 3143989159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143989159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571994578 + 1571994579.

It is an arithmetic number, because the mean of its divisors is an integer number (1571994579).

Almost surely, 2^3143989157 is an apocalyptic number.

It is an amenable number.

3143989157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143989157 is an equidigital number, since it uses as much as digits as its factorization.

3143989157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 3143989157 is about 56071.2863861710. The cubic root of 3143989157 is about 1464.9642048044.

The spelling of 3143989157 in words is "three billion, one hundred forty-three million, nine hundred eighty-nine thousand, one hundred fifty-seven".