71074253646433 has 2 divisors, whose sum is σ = 71074253646434. Its totient is φ = 71074253646432.

The previous prime is 71074253646377. The next prime is 71074253646437. The reversal of 71074253646433 is 33464635247017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65391045579729 + 5683208066704 = 8086473^2 + 2383948^2 .

It is a cyclic number.

It is not a de Polignac number, because 71074253646433 - 2²¹ = 71074251549281 is a prime.

It is not a weakly prime, because it can be changed into another prime (71074253646437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35537126823216 + 35537126823217.

It is an arithmetic number, because the mean of its divisors is an integer number (35537126823217).

Almost surely, 2^{71074253646433} is an apocalyptic number.

It is an amenable number.

71074253646433 is a deficient number, since it is larger than the sum of its proper divisors (1).

71074253646433 is an equidigital number, since it uses as much as digits as its factorization.

71074253646433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 55.

The spelling of 71074253646433 in words is "seventy-one trillion, seventy-four billion, two hundred fifty-three million, six hundred forty-six thousand, four hundred thirty-three".