53668685699 has 2 divisors, whose sum is σ = 53668685700. Its totient is φ = 53668685698.

The previous prime is 53668685671. The next prime is 53668685803. The reversal of 53668685699 is 99658686635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53668685699 - 2¹² = 53668681603 is a prime.

It is not a weakly prime, because it can be changed into another prime (53658685699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26834342849 + 26834342850.

It is an arithmetic number, because the mean of its divisors is an integer number (26834342850).

Almost surely, 2^53668685699 is an apocalyptic number.

53668685699 is a deficient number, since it is larger than the sum of its proper divisors (1).

53668685699 is an equidigital number, since it uses as much as digits as its factorization.

53668685699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 503884800, while the sum is 71.

The spelling of 53668685699 in words is "fifty-three billion, six hundred sixty-eight million, six hundred eighty-five thousand, six hundred ninety-nine".