672048149 has 2 divisors, whose sum is σ = 672048150. Its totient is φ = 672048148.

The previous prime is 672048137. The next prime is 672048197. The reversal of 672048149 is 941840276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449143249 + 222904900 = 21193^2 + 14930^2 .

It is a cyclic number.

It is not a de Polignac number, because 672048149 - 2¹² = 672044053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672048119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336024074 + 336024075.

It is an arithmetic number, because the mean of its divisors is an integer number (336024075).

Almost surely, 2^672048149 is an apocalyptic number.

It is an amenable number.

672048149 is a deficient number, since it is larger than the sum of its proper divisors (1).

672048149 is an equidigital number, since it uses as much as digits as its factorization.

672048149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 672048149 is about 25923.8914709964. The cubic root of 672048149 is about 875.9247470680.

The spelling of 672048149 in words is "six hundred seventy-two million, forty-eight thousand, one hundred forty-nine".