64614543840001 has 4 divisors (see below), whose sum is σ = 66698883963904. Its totient is φ = 62530203716100.

The previous prime is 64614543839981. The next prime is 64614543840013. The reversal of 64614543840001 is 10004834541646.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64614543840001 - 2⁵ = 64614543839969 is a prime.

It is a super-2 number, since 2×64614543840001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64614543840101) 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, 1042170061905 + ... + 1042170061966.

It is an arithmetic number, because the mean of its divisors is an integer number (16674720990976).

Almost surely, 2^{64614543840001} is an apocalyptic number.

It is an amenable number.

64614543840001 is a deficient number, since it is larger than the sum of its proper divisors (2084340123903).

64614543840001 is a wasteful number, since it uses less digits than its factorization.

64614543840001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084340123902.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 64614543840001 in words is "sixty-four trillion, six hundred fourteen billion, five hundred forty-three million, eight hundred forty thousand, one".