65999486503 has 2 divisors, whose sum is σ = 65999486504. Its totient is φ = 65999486502.

The previous prime is 65999486491. The next prime is 65999486557. The reversal of 65999486503 is 30568499956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65999486503 - 2³³ = 57409551911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65999486573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32999743251 + 32999743252.

It is an arithmetic number, because the mean of its divisors is an integer number (32999743252).

Almost surely, 2^65999486503 is an apocalyptic number.

65999486503 is a deficient number, since it is larger than the sum of its proper divisors (1).

65999486503 is an equidigital number, since it uses as much as digits as its factorization.

65999486503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62985600, while the sum is 64.

The spelling of 65999486503 in words is "sixty-five billion, nine hundred ninety-nine million, four hundred eighty-six thousand, five hundred three".