670667406733 has 4 divisors (see below), whose sum is σ = 671484298428. Its totient is φ = 669850515040.

The previous prime is 670667406713. The next prime is 670667406751. The reversal of 670667406733 is 337604766076.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 405002414404 + 265664992329 = 636398^2 + 515427^2 .

It is a cyclic number.

It is not a de Polignac number, because 670667406733 - 2⁵ = 670667406701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670667406713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408444616 + ... + 408446257.

It is an arithmetic number, because the mean of its divisors is an integer number (167871074607).

Almost surely, 2^670667406733 is an apocalyptic number.

It is an amenable number.

670667406733 is a deficient number, since it is larger than the sum of its proper divisors (816891695).

670667406733 is an equidigital number, since it uses as much as digits as its factorization.

670667406733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816891694.

The product of its (nonzero) digits is 16003008, while the sum is 55.

The spelling of 670667406733 in words is "six hundred seventy billion, six hundred sixty-seven million, four hundred six thousand, seven hundred thirty-three".