71436428650 has 48 divisors (see below), whose sum is σ = 133620822720. Its totient is φ = 28413936000.

The previous prime is 71436428641. The next prime is 71436428653. The reversal of 71436428650 is 5682463417.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 71436428650.

It is not an unprimeable number, because it can be changed into a prime (71436428653) 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 23 ways as a sum of consecutive naturals, for example, 6733350 + ... + 6743950.

It is an arithmetic number, because the mean of its divisors is an integer number (2783767140).

Almost surely, 2^71436428650 is an apocalyptic number.

71436428650 is a deficient number, since it is larger than the sum of its proper divisors (62184394070).

71436428650 is a wasteful number, since it uses less digits than its factorization.

71436428650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11359 (or 11354 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 71436428650 in words is "seventy-one billion, four hundred thirty-six million, four hundred twenty-eight thousand, six hundred fifty".