71193040370629 has 4 divisors (see below), whose sum is σ = 71206645008076. Its totient is φ = 71179435733184.

The previous prime is 71193040370561. The next prime is 71193040370657. The reversal of 71193040370629 is 92607304039117.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34519091337025 + 36673949033604 = 5875295^2 + 6055902^2 .

It is a cyclic number.

It is not a de Polignac number, because 71193040370629 - 2²³ = 71193031982021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71193040370689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6802310874 + ... + 6802321339.

It is an arithmetic number, because the mean of its divisors is an integer number (17801661252019).

Almost surely, 2^{71193040370629} is an apocalyptic number.

It is an amenable number.

71193040370629 is a deficient number, since it is larger than the sum of its proper divisors (13604637447).

71193040370629 is a wasteful number, since it uses less digits than its factorization.

71193040370629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604637446.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 71193040370629 in words is "seventy-one trillion, one hundred ninety-three billion, forty million, three hundred seventy thousand, six hundred twenty-nine".