64601347834 has 4 divisors (see below), whose sum is σ = 96902021754. Its totient is φ = 32300673916.

The previous prime is 64601347831. The next prime is 64601347843. The reversal of 64601347834 is 43874310646.

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., 61899947209 + 2701400625 = 248797^2 + 51975^2 .

It is not an unprimeable number, because it can be changed into a prime (64601347831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16150336957 + ... + 16150336960.

Almost surely, 2^64601347834 is an apocalyptic number.

64601347834 is a deficient number, since it is larger than the sum of its proper divisors (32300673920).

64601347834 is a wasteful number, since it uses less digits than its factorization.

64601347834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32300673919.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 64601347834 in words is "sixty-four billion, six hundred one million, three hundred forty-seven thousand, eight hundred thirty-four".