65722113553 has 2 divisors, whose sum is σ = 65722113554. Its totient is φ = 65722113552.

The previous prime is 65722113491. The next prime is 65722113557. The reversal of 65722113553 is 35531122756.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62331613569 + 3390499984 = 249663^2 + 58228^2 .

It is a cyclic number.

It is not a de Polignac number, because 65722113553 - 2²⁵ = 65688559121 is a prime.

It is not a weakly prime, because it can be changed into another prime (65722113557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32861056776 + 32861056777.

It is an arithmetic number, because the mean of its divisors is an integer number (32861056777).

Almost surely, 2^65722113553 is an apocalyptic number.

It is an amenable number.

65722113553 is a deficient number, since it is larger than the sum of its proper divisors (1).

65722113553 is an equidigital number, since it uses as much as digits as its factorization.

65722113553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

The spelling of 65722113553 in words is "sixty-five billion, seven hundred twenty-two million, one hundred thirteen thousand, five hundred fifty-three".