673537000237 has 2 divisors, whose sum is σ = 673537000238. Its totient is φ = 673537000236.

The previous prime is 673537000153. The next prime is 673537000259. The reversal of 673537000237 is 732000735376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368334892836 + 305202107401 = 606906^2 + 552451^2 .

It is a cyclic number.

It is not a de Polignac number, because 673537000237 - 2¹⁹ = 673536475949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673537000193 and 673537000202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673537000337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336768500118 + 336768500119.

It is an arithmetic number, because the mean of its divisors is an integer number (336768500119).

Almost surely, 2^673537000237 is an apocalyptic number.

It is an amenable number.

673537000237 is a deficient number, since it is larger than the sum of its proper divisors (1).

673537000237 is an equidigital number, since it uses as much as digits as its factorization.

673537000237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 43.

The spelling of 673537000237 in words is "six hundred seventy-three billion, five hundred thirty-seven million, two hundred thirty-seven", and thus it is an aban number.