672004999993 has 2 divisors, whose sum is σ = 672004999994. Its totient is φ = 672004999992.

The previous prime is 672004999957. The next prime is 672005000033. The reversal of 672004999993 is 399999400276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579930987024 + 92074012969 = 761532^2 + 303437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672004999993 is a prime.

It is not a weakly prime, because it can be changed into another prime (672004991993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336002499996 + 336002499997.

It is an arithmetic number, because the mean of its divisors is an integer number (336002499997).

Almost surely, 2^672004999993 is an apocalyptic number.

It is an amenable number.

672004999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

672004999993 is an equidigital number, since it uses as much as digits as its factorization.

672004999993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59521392, while the sum is 67.

The spelling of 672004999993 in words is "six hundred seventy-two billion, four million, nine hundred ninety-nine thousand, nine hundred ninety-three".