64406203622 has 8 divisors (see below), whose sum is σ = 99220367856. Its totient is φ = 31332747672.

The previous prime is 64406203613. The next prime is 64406203639. The reversal of 64406203622 is 22630260446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435176978 + ... + 435177125.

It is an arithmetic number, because the mean of its divisors is an integer number (12402545982).

Almost surely, 2^64406203622 is an apocalyptic number.

64406203622 is a deficient number, since it is larger than the sum of its proper divisors (34814164234).

64406203622 is a wasteful number, since it uses less digits than its factorization.

64406203622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870354142.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 64406203622 in words is "sixty-four billion, four hundred six million, two hundred three thousand, six hundred twenty-two".