71262250163 has 4 divisors (see below), whose sum is σ = 76743961728. Its totient is φ = 65780538600.

The previous prime is 71262250127. The next prime is 71262250211. The reversal of 71262250163 is 36105226217.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71262250163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71262250063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2740855763 + ... + 2740855788.

It is an arithmetic number, because the mean of its divisors is an integer number (19185990432).

Almost surely, 2^71262250163 is an apocalyptic number.

71262250163 is a deficient number, since it is larger than the sum of its proper divisors (5481711565).

71262250163 is a wasteful number, since it uses less digits than its factorization.

71262250163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5481711564.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 71262250163 in words is "seventy-one billion, two hundred sixty-two million, two hundred fifty thousand, one hundred sixty-three".