18737250863341 has 2 divisors, whose sum is σ = 18737250863342. Its totient is φ = 18737250863340.

The previous prime is 18737250863333. The next prime is 18737250863413. The reversal of 18737250863341 is 14336805273781.

Together with next prime (18737250863413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17304851208100 + 1432399655241 = 4159910^2 + 1196829^2 .

It is a cyclic number.

It is not a de Polignac number, because 18737250863341 - 2³ = 18737250863333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18737250863941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9368625431670 + 9368625431671.

It is an arithmetic number, because the mean of its divisors is an integer number (9368625431671).

Almost surely, 2^{18737250863341} is an apocalyptic number.

It is an amenable number.

18737250863341 is a deficient number, since it is larger than the sum of its proper divisors (1).

18737250863341 is an equidigital number, since it uses as much as digits as its factorization.

18737250863341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 18737250863341 in words is "eighteen trillion, seven hundred thirty-seven billion, two hundred fifty million, eight hundred sixty-three thousand, three hundred forty-one".