64482402197 has 8 divisors (see below), whose sum is σ = 66797340120. Its totient is φ = 62202807040.

The previous prime is 64482402167. The next prime is 64482402209. The reversal of 64482402197 is 79120428446.

It can be written as a sum of positive squares in 4 ways, for example, as 60855601 + 64421546596 = 7801^2 + 253814^2 .

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 64482402197 - 2⁸ = 64482401941 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 (64482402107) 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, 8831978 + ... + 8839275.

It is an arithmetic number, because the mean of its divisors is an integer number (8349667515).

Almost surely, 2^64482402197 is an apocalyptic number.

It is an amenable number.

64482402197 is a deficient number, since it is larger than the sum of its proper divisors (2314937923).

64482402197 is a wasteful number, since it uses less digits than its factorization.

64482402197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17671383.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 64482402197 in words is "sixty-four billion, four hundred eighty-two million, four hundred two thousand, one hundred ninety-seven".