706956143 has 2 divisors, whose sum is σ = 706956144. Its totient is φ = 706956142.

The previous prime is 706956121. The next prime is 706956149. The reversal of 706956143 is 341659607.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 706956143 - 2¹² = 706952047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 706956143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706956149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353478071 + 353478072.

It is an arithmetic number, because the mean of its divisors is an integer number (353478072).

Almost surely, 2^706956143 is an apocalyptic number.

706956143 is a deficient number, since it is larger than the sum of its proper divisors (1).

706956143 is an equidigital number, since it uses as much as digits as its factorization.

706956143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 706956143 is about 26588.6468817050. The cubic root of 706956143 is about 890.8354495733.

The spelling of 706956143 in words is "seven hundred six million, nine hundred fifty-six thousand, one hundred forty-three".