64422251750 has 16 divisors (see below), whose sum is σ = 120598455744. Its totient is φ = 25768900600.

The previous prime is 64422251749. The next prime is 64422251759. The reversal of 64422251750 is 5715222446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64422251759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128844254 + ... + 128844753.

It is an arithmetic number, because the mean of its divisors is an integer number (7537403484).

Almost surely, 2^64422251750 is an apocalyptic number.

64422251750 is a deficient number, since it is larger than the sum of its proper divisors (56176203994).

64422251750 is a wasteful number, since it uses less digits than its factorization.

64422251750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257689024 (or 257689014 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 64422251750 in words is "sixty-four billion, four hundred twenty-two million, two hundred fifty-one thousand, seven hundred fifty".