15319680653 has 2 divisors, whose sum is σ = 15319680654. Its totient is φ = 15319680652.

The previous prime is 15319680631. The next prime is 15319680757. The reversal of 15319680653 is 35608691351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11235576004 + 4084104649 = 105998^2 + 63907^2 .

It is a cyclic number.

It is not a de Polignac number, because 15319680653 - 2¹⁸ = 15319418509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15319680598 and 15319680607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15319685653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7659840326 + 7659840327.

It is an arithmetic number, because the mean of its divisors is an integer number (7659840327).

Almost surely, 2^15319680653 is an apocalyptic number.

It is an amenable number.

15319680653 is a deficient number, since it is larger than the sum of its proper divisors (1).

15319680653 is an equidigital number, since it uses as much as digits as its factorization.

15319680653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 15319680653 in words is "fifteen billion, three hundred nineteen million, six hundred eighty thousand, six hundred fifty-three".