64430550122 has 4 divisors (see below), whose sum is σ = 96645825186. Its totient is φ = 32215275060.

The previous prime is 64430550091. The next prime is 64430550179. The reversal of 64430550122 is 22105503446.

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

It can be written as a sum of positive squares in only one way, i.e., 48158741401 + 16271808721 = 219451^2 + 127561^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16107637529 + ... + 16107637532.

Almost surely, 2^64430550122 is an apocalyptic number.

64430550122 is a deficient number, since it is larger than the sum of its proper divisors (32215275064).

64430550122 is a wasteful number, since it uses less digits than its factorization.

64430550122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32215275063.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 64430550122 in words is "sixty-four billion, four hundred thirty million, five hundred fifty thousand, one hundred twenty-two".