672005051699 has 2 divisors, whose sum is σ = 672005051700. Its totient is φ = 672005051698.

The previous prime is 672005051659. The next prime is 672005051743. The reversal of 672005051699 is 996150500276.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672005051699 is a prime.

It is not a weakly prime, because it can be changed into another prime (672005051659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336002525849 + 336002525850.

It is an arithmetic number, because the mean of its divisors is an integer number (336002525850).

Almost surely, 2^672005051699 is an apocalyptic number.

672005051699 is a deficient number, since it is larger than the sum of its proper divisors (1).

672005051699 is an equidigital number, since it uses as much as digits as its factorization.

672005051699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 672005051699 in words is "six hundred seventy-two billion, five million, fifty-one thousand, six hundred ninety-nine".