64955455946 has 8 divisors (see below), whose sum is σ = 97459253760. Its totient is φ = 32469038028.

The previous prime is 64955455883. The next prime is 64955455949.

64955455946 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×64955455946² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64955455949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4335626 + ... + 4350581.

It is an arithmetic number, because the mean of its divisors is an integer number (12182406720).

Almost surely, 2^64955455946 is an apocalyptic number.

64955455946 is a deficient number, since it is larger than the sum of its proper divisors (32503797814).

64955455946 is a wasteful number, since it uses less digits than its factorization.

64955455946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8689948.

The product of its digits is 116640000, while the sum is 62.

The spelling of 64955455946 in words is "sixty-four billion, nine hundred fifty-five million, four hundred fifty-five thousand, nine hundred forty-six".