673375063531 has 2 divisors, whose sum is σ = 673375063532. Its totient is φ = 673375063530.

The previous prime is 673375063507. The next prime is 673375063541. The reversal of 673375063531 is 135360573376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673375063531 - 2²³ = 673366674923 is a prime.

It is a super-2 number, since 2×673375063531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (673375063541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336687531765 + 336687531766.

It is an arithmetic number, because the mean of its divisors is an integer number (336687531766).

Almost surely, 2^673375063531 is an apocalyptic number.

673375063531 is a deficient number, since it is larger than the sum of its proper divisors (1).

673375063531 is an equidigital number, since it uses as much as digits as its factorization.

673375063531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3572100, while the sum is 49.

The spelling of 673375063531 in words is "six hundred seventy-three billion, three hundred seventy-five million, sixty-three thousand, five hundred thirty-one".