143436047947 has 2 divisors, whose sum is σ = 143436047948. Its totient is φ = 143436047946.

The previous prime is 143436047813. The next prime is 143436047969. The reversal of 143436047947 is 749740634341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143436047947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143436047894 and 143436047903.

It is not a weakly prime, because it can be changed into another prime (143436047347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71718023973 + 71718023974.

It is an arithmetic number, because the mean of its divisors is an integer number (71718023974).

Almost surely, 2^143436047947 is an apocalyptic number.

143436047947 is a deficient number, since it is larger than the sum of its proper divisors (1).

143436047947 is an equidigital number, since it uses as much as digits as its factorization.

143436047947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 143436047947 in words is "one hundred forty-three billion, four hundred thirty-six million, forty-seven thousand, nine hundred forty-seven".