64114453673 has 24 divisors (see below), whose sum is σ = 67117465800. Its totient is φ = 61237866240.

The previous prime is 64114453661. The next prime is 64114453679. The reversal of 64114453673 is 37635441146.

It can be written as a sum of positive squares in 4 ways, for example, as 44593613584 + 19520840089 = 211172^2 + 139717^2 .

It is not a de Polignac number, because 64114453673 - 2¹² = 64114449577 is a prime.

It is a super-2 number, since 2×64114453673² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64114453679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30690413 + ... + 30692501.

It is an arithmetic number, because the mean of its divisors is an integer number (2796561075).

Almost surely, 2^64114453673 is an apocalyptic number.

It is an amenable number.

64114453673 is a deficient number, since it is larger than the sum of its proper divisors (3003012127).

64114453673 is a wasteful number, since it uses less digits than its factorization.

64114453673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2522 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 64114453673 in words is "sixty-four billion, one hundred fourteen million, four hundred fifty-three thousand, six hundred seventy-three".