673336737037 has 2 divisors, whose sum is σ = 673336737038. Its totient is φ = 673336737036.

The previous prime is 673336737023. The next prime is 673336737041. The reversal of 673336737037 is 730737633376.

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., 411376000996 + 261960736041 = 641386^2 + 511821^2 .

It is a cyclic number.

It is not a de Polignac number, because 673336737037 - 2¹⁹ = 673336212749 is a prime.

It is a super-2 number, since 2×673336737037² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673336737937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336668368518 + 336668368519.

It is an arithmetic number, because the mean of its divisors is an integer number (336668368519).

Almost surely, 2^673336737037 is an apocalyptic number.

It is an amenable number.

673336737037 is a deficient number, since it is larger than the sum of its proper divisors (1).

673336737037 is an equidigital number, since it uses as much as digits as its factorization.

673336737037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21003948, while the sum is 55.

It can be divided in two parts, 6733367 and 37037, that added together give a square (6770404 = 2602²).

The spelling of 673336737037 in words is "six hundred seventy-three billion, three hundred thirty-six million, seven hundred thirty-seven thousand, thirty-seven".