64348902938 has 4 divisors (see below), whose sum is σ = 96523354410. Its totient is φ = 32174451468.

The previous prime is 64348902931. The next prime is 64348902949. The reversal of 64348902938 is 83920984346.

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., 35286495409 + 29062407529 = 187847^2 + 170477^2 .

It is not an unprimeable number, because it can be changed into a prime (64348902931) by changing a digit.

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 as a sum of consecutive naturals, namely, 16087225733 + ... + 16087225736.

Almost surely, 2^64348902938 is an apocalyptic number.

64348902938 is a deficient number, since it is larger than the sum of its proper divisors (32174451472).

64348902938 is a wasteful number, since it uses less digits than its factorization.

64348902938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32174451471.

The product of its (nonzero) digits is 8957952, while the sum is 56.

The spelling of 64348902938 in words is "sixty-four billion, three hundred forty-eight million, nine hundred two thousand, nine hundred thirty-eight".