64601242312 has 8 divisors (see below), whose sum is σ = 121127329350. Its totient is φ = 32300621152.

The previous prime is 64601242301. The next prime is 64601242369. The reversal of 64601242312 is 21324210646.

It can be written as a sum of positive squares in only one way, i.e., 61735353156 + 2865889156 = 248466^2 + 53534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037577637 + ... + 4037577652.

Almost surely, 2^64601242312 is an apocalyptic number.

It is an amenable number.

64601242312 is a deficient number, since it is larger than the sum of its proper divisors (56526087038).

64601242312 is a wasteful number, since it uses less digits than its factorization.

64601242312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075155295 (or 8075155291 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 64601242312 its reverse (21324210646), we get a palindrome (85925452958).

The spelling of 64601242312 in words is "sixty-four billion, six hundred one million, two hundred forty-two thousand, three hundred twelve".