64157122753 has 2 divisors, whose sum is σ = 64157122754. Its totient is φ = 64157122752.

The previous prime is 64157122751. The next prime is 64157122781. The reversal of 64157122753 is 35722175146.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57646569409 + 6510553344 = 240097^2 + 80688^2 .

It is a cyclic number.

It is not a de Polignac number, because 64157122753 - 2¹ = 64157122751 is a prime.

It is a super-2 number, since 2×64157122753² (a number of 22 digits) contains 22 as substring.

Together with 64157122751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64157122751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32078561376 + 32078561377.

It is an arithmetic number, because the mean of its divisors is an integer number (32078561377).

Almost surely, 2^64157122753 is an apocalyptic number.

It is an amenable number.

64157122753 is a deficient number, since it is larger than the sum of its proper divisors (1).

64157122753 is an equidigital number, since it uses as much as digits as its factorization.

64157122753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

Adding to 64157122753 its reverse (35722175146), we get a palindrome (99879297899).

The spelling of 64157122753 in words is "sixty-four billion, one hundred fifty-seven million, one hundred twenty-two thousand, seven hundred fifty-three".