71428469048643 has 32 divisors (see below), whose sum is σ = 110664576663552. Its totient is φ = 40136321786400.

The previous prime is 71428469048641. The next prime is 71428469048749. The reversal of 71428469048643 is 34684096482417.

It is not a de Polignac number, because 71428469048643 - 2¹ = 71428469048641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71428469048641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61969963 + ... + 63112068.

It is an arithmetic number, because the mean of its divisors is an integer number (3458268020736).

Almost surely, 2^{71428469048643} is an apocalyptic number.

71428469048643 is a deficient number, since it is larger than the sum of its proper divisors (39236107614909).

71428469048643 is a wasteful number, since it uses less digits than its factorization.

71428469048643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125082495.

The product of its (nonzero) digits is 222953472, while the sum is 66.

The spelling of 71428469048643 in words is "seventy-one trillion, four hundred twenty-eight billion, four hundred sixty-nine million, forty-eight thousand, six hundred forty-three".