672607433149 has 2 divisors, whose sum is σ = 672607433150. Its totient is φ = 672607433148.

The previous prime is 672607433131. The next prime is 672607433177. The reversal of 672607433149 is 941334706276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614470989924 + 58136443225 = 783882^2 + 241115^2 .

It is a cyclic number.

It is not a de Polignac number, because 672607433149 - 2⁵ = 672607433117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672607433096 and 672607433105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672667433149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336303716574 + 336303716575.

It is an arithmetic number, because the mean of its divisors is an integer number (336303716575).

Almost surely, 2^672607433149 is an apocalyptic number.

It is an amenable number.

672607433149 is a deficient number, since it is larger than the sum of its proper divisors (1).

672607433149 is an equidigital number, since it uses as much as digits as its factorization.

672607433149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 672607433149 in words is "six hundred seventy-two billion, six hundred seven million, four hundred thirty-three thousand, one hundred forty-nine".