15897356063 has 2 divisors, whose sum is σ = 15897356064. Its totient is φ = 15897356062.

The previous prime is 15897355997. The next prime is 15897356077. The reversal of 15897356063 is 36065379851.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15897356063 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 15897355996 and 15897356014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15897356263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7948678031 + 7948678032.

It is an arithmetic number, because the mean of its divisors is an integer number (7948678032).

Almost surely, 2^15897356063 is an apocalyptic number.

15897356063 is a deficient number, since it is larger than the sum of its proper divisors (1).

15897356063 is an equidigital number, since it uses as much as digits as its factorization.

15897356063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 15897356063 in words is "fifteen billion, eight hundred ninety-seven million, three hundred fifty-six thousand, sixty-three".