15641367653 has 2 divisors, whose sum is σ = 15641367654. Its totient is φ = 15641367652.

The previous prime is 15641367647. The next prime is 15641367673. The reversal of 15641367653 is 35676314651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15162720769 + 478646884 = 123137^2 + 21878^2 .

It is a cyclic number.

It is not a de Polignac number, because 15641367653 - 2¹² = 15641363557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15641367598 and 15641367607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15641367613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7820683826 + 7820683827.

It is an arithmetic number, because the mean of its divisors is an integer number (7820683827).

Almost surely, 2^15641367653 is an apocalyptic number.

It is an amenable number.

15641367653 is a deficient number, since it is larger than the sum of its proper divisors (1).

15641367653 is an equidigital number, since it uses as much as digits as its factorization.

15641367653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 47.

The spelling of 15641367653 in words is "fifteen billion, six hundred forty-one million, three hundred sixty-seven thousand, six hundred fifty-three".