653322220381 has 2 divisors, whose sum is σ = 653322220382. Its totient is φ = 653322220380.

The previous prime is 653322220373. The next prime is 653322220409. The reversal of 653322220381 is 183022223356.

653322220381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608353200900 + 44969019481 = 779970^2 + 212059^2 .

It is a cyclic number.

It is not a de Polignac number, because 653322220381 - 2³ = 653322220373 is a prime.

It is a super-2 number, since 2×653322220381² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 653322220381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653322220081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326661110190 + 326661110191.

It is an arithmetic number, because the mean of its divisors is an integer number (326661110191).

Almost surely, 2^653322220381 is an apocalyptic number.

It is an amenable number.

653322220381 is a deficient number, since it is larger than the sum of its proper divisors (1).

653322220381 is an equidigital number, since it uses as much as digits as its factorization.

653322220381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 653322220381 in words is "six hundred fifty-three billion, three hundred twenty-two million, two hundred twenty thousand, three hundred eighty-one".