64956065946 has 32 divisors (see below), whose sum is σ = 135289640448. Its totient is φ = 20768133120.

The previous prime is 64956065939. The next prime is 64956065981.

64956065946 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×64956065946³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64956065946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524231 + ... + 1566266.

It is an arithmetic number, because the mean of its divisors is an integer number (4227801264).

Almost surely, 2^64956065946 is an apocalyptic number.

64956065946 is an abundant number, since it is smaller than the sum of its proper divisors (70333574502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64956065946 is a wasteful number, since it uses less digits than its factorization.

64956065946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090646.

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 64956065946 in words is "sixty-four billion, nine hundred fifty-six million, sixty-five thousand, nine hundred forty-six".