71045905435 has 16 divisors (see below), whose sum is σ = 85845775680. Its totient is φ = 56443161600.

The previous prime is 71045905433. The next prime is 71045905481. The reversal of 71045905435 is 53450954017.

It is not a de Polignac number, because 71045905435 - 2¹ = 71045905433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71045905391 and 71045905400.

It is not an unprimeable number, because it can be changed into a prime (71045905433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851311 + ... + 2876119.

It is an arithmetic number, because the mean of its divisors is an integer number (5365360980).

Almost surely, 2^71045905435 is an apocalyptic number.

71045905435 is a deficient number, since it is larger than the sum of its proper divisors (14799870245).

71045905435 is a wasteful number, since it uses less digits than its factorization.

71045905435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28758.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 71045905435 in words is "seventy-one billion, forty-five million, nine hundred five thousand, four hundred thirty-five".