673662305831 has 2 divisors, whose sum is σ = 673662305832. Its totient is φ = 673662305830.

The previous prime is 673662305677. The next prime is 673662305873. The reversal of 673662305831 is 138503266376.

673662305831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673662305831 - 2¹⁸ = 673662043687 is a prime.

It is a super-2 number, since 2×673662305831² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673662305831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673662305891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336831152915 + 336831152916.

It is an arithmetic number, because the mean of its divisors is an integer number (336831152916).

Almost surely, 2^673662305831 is an apocalyptic number.

673662305831 is a deficient number, since it is larger than the sum of its proper divisors (1).

673662305831 is an equidigital number, since it uses as much as digits as its factorization.

673662305831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 673662305831 in words is "six hundred seventy-three billion, six hundred sixty-two million, three hundred five thousand, eight hundred thirty-one".