71049366433 has 2 divisors, whose sum is σ = 71049366434. Its totient is φ = 71049366432.

The previous prime is 71049366407. The next prime is 71049366473. The reversal of 71049366433 is 33466394017.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63540797329 + 7508569104 = 252073^2 + 86652^2 .

It is a cyclic number.

It is not a de Polignac number, because 71049366433 - 2¹³ = 71049358241 is a prime.

It is a super-3 number, since 3×71049366433³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (71049366473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35524683216 + 35524683217.

It is an arithmetic number, because the mean of its divisors is an integer number (35524683217).

Almost surely, 2^71049366433 is an apocalyptic number.

It is an amenable number.

71049366433 is a deficient number, since it is larger than the sum of its proper divisors (1).

71049366433 is an equidigital number, since it uses as much as digits as its factorization.

71049366433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 71049366433 in words is "seventy-one billion, forty-nine million, three hundred sixty-six thousand, four hundred thirty-three".