64196445347 has 8 divisors (see below), whose sum is σ = 67990695696. Its totient is φ = 60404193792.

The previous prime is 64196445343. The next prime is 64196445361. The reversal of 64196445347 is 74354469146.

It is a happy number.

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 64196445347 - 2² = 64196445343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64196445343) 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, 433313 + ... + 562274.

It is an arithmetic number, because the mean of its divisors is an integer number (8498836962).

Almost surely, 2^64196445347 is an apocalyptic number.

64196445347 is a deficient number, since it is larger than the sum of its proper divisors (3794250349).

64196445347 is a wasteful number, since it uses less digits than its factorization.

64196445347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999397.

The product of its digits is 8709120, while the sum is 53.

The spelling of 64196445347 in words is "sixty-four billion, one hundred ninety-six million, four hundred forty-five thousand, three hundred forty-seven".