64507827653 has 2 divisors, whose sum is σ = 64507827654. Its totient is φ = 64507827652.

The previous prime is 64507827617. The next prime is 64507827689. The reversal of 64507827653 is 35672870546.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (64507827617) and next prime (64507827689).

It can be written as a sum of positive squares in only one way, i.e., 40693782529 + 23814045124 = 201727^2 + 154318^2 .

It is a cyclic number.

It is not a de Polignac number, because 64507827653 - 2²⁸ = 64239392197 is a prime.

It is a super-2 number, since 2×64507827653² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64507827595 and 64507827604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64507820653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32253913826 + 32253913827.

It is an arithmetic number, because the mean of its divisors is an integer number (32253913827).

Almost surely, 2^64507827653 is an apocalyptic number.

It is an amenable number.

64507827653 is a deficient number, since it is larger than the sum of its proper divisors (1).

64507827653 is an equidigital number, since it uses as much as digits as its factorization.

64507827653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 64507827653 in words is "sixty-four billion, five hundred seven million, eight hundred twenty-seven thousand, six hundred fifty-three".