143402713697 has 2 divisors, whose sum is σ = 143402713698. Its totient is φ = 143402713696.

The previous prime is 143402713691. The next prime is 143402713739. The reversal of 143402713697 is 796317204341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133459433041 + 9943280656 = 365321^2 + 99716^2 .

It is a cyclic number.

It is not a de Polignac number, because 143402713697 - 2⁶ = 143402713633 is a prime.

It is not a weakly prime, because it can be changed into another prime (143402713691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71701356848 + 71701356849.

It is an arithmetic number, because the mean of its divisors is an integer number (71701356849).

Almost surely, 2^143402713697 is an apocalyptic number.

It is an amenable number.

143402713697 is a deficient number, since it is larger than the sum of its proper divisors (1).

143402713697 is an equidigital number, since it uses as much as digits as its factorization.

143402713697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 143402713697 in words is "one hundred forty-three billion, four hundred two million, seven hundred thirteen thousand, six hundred ninety-seven".