18960436373 has 2 divisors, whose sum is σ = 18960436374. Its totient is φ = 18960436372.

The previous prime is 18960436303. The next prime is 18960436457. The reversal of 18960436373 is 37363406981.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12219533764 + 6740902609 = 110542^2 + 82103^2 .

It is a cyclic number.

It is not a de Polignac number, because 18960436373 - 2¹⁶ = 18960370837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18960436303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9480218186 + 9480218187.

It is an arithmetic number, because the mean of its divisors is an integer number (9480218187).

Almost surely, 2^18960436373 is an apocalyptic number.

It is an amenable number.

18960436373 is a deficient number, since it is larger than the sum of its proper divisors (1).

18960436373 is an equidigital number, since it uses as much as digits as its factorization.

18960436373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 18960436373 in words is "eighteen billion, nine hundred sixty million, four hundred thirty-six thousand, three hundred seventy-three".