64144101634 has 8 divisors (see below), whose sum is σ = 96217253388. Its totient is φ = 32071683840.

The previous prime is 64144101613. The next prime is 64144101643. The reversal of 64144101634 is 43610144146.

It can be written as a sum of positive squares in 2 ways, for example, as 63279918025 + 864183609 = 251555^2 + 29397^2 .

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

It is a super-2 number, since 2×64144101634² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64144101634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175354 + ... + 398794.

Almost surely, 2^64144101634 is an apocalyptic number.

64144101634 is a deficient number, since it is larger than the sum of its proper divisors (32073151754).

64144101634 is a wasteful number, since it uses less digits than its factorization.

64144101634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366980.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 64144101634 in words is "sixty-four billion, one hundred forty-four million, one hundred one thousand, six hundred thirty-four".