64449198662 has 8 divisors (see below), whose sum is σ = 98730687456. Its totient is φ = 31538969512.

The previous prime is 64449198647. The next prime is 64449198707. The reversal of 64449198662 is 26689194446.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342814793 + ... + 342814980.

It is an arithmetic number, because the mean of its divisors is an integer number (12341335932).

Almost surely, 2^64449198662 is an apocalyptic number.

64449198662 is a deficient number, since it is larger than the sum of its proper divisors (34281488794).

64449198662 is a wasteful number, since it uses less digits than its factorization.

64449198662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685629822.

The product of its digits is 17915904, while the sum is 59.

The spelling of 64449198662 in words is "sixty-four billion, four hundred forty-nine million, one hundred ninety-eight thousand, six hundred sixty-two".