673403667771 has 16 divisors (see below), whose sum is σ = 915093158400. Its totient is φ = 440388527040.

The previous prime is 673403667767. The next prime is 673403667817. The reversal of 673403667771 is 177766304376.

It is not a de Polignac number, because 673403667771 - 2² = 673403667767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673403667271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7901130 + ... + 7985903.

It is an arithmetic number, because the mean of its divisors is an integer number (57193322400).

Almost surely, 2^673403667771 is an apocalyptic number.

673403667771 is a deficient number, since it is larger than the sum of its proper divisors (241689490629).

673403667771 is a wasteful number, since it uses less digits than its factorization.

673403667771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15887306.

The product of its (nonzero) digits is 18670176, while the sum is 57.

The spelling of 673403667771 in words is "six hundred seventy-three billion, four hundred three million, six hundred sixty-seven thousand, seven hundred seventy-one".