64411387247 has 8 divisors (see below), whose sum is σ = 68082798960. Its totient is φ = 60768109440.

The previous prime is 64411387199. The next prime is 64411387259. The reversal of 64411387247 is 74278311446.

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

It is a cyclic number.

It is not a de Polignac number, because 64411387247 - 2¹² = 64411383151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64411380247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7028768 + ... + 7037925.

It is an arithmetic number, because the mean of its divisors is an integer number (8510349870).

Almost surely, 2^64411387247 is an apocalyptic number.

64411387247 is a deficient number, since it is larger than the sum of its proper divisors (3671411713).

64411387247 is a wasteful number, since it uses less digits than its factorization.

64411387247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14066953.

The product of its digits is 903168, while the sum is 47.

The spelling of 64411387247 in words is "sixty-four billion, four hundred eleven million, three hundred eighty-seven thousand, two hundred forty-seven".