187473246913 has 2 divisors, whose sum is σ = 187473246914. Its totient is φ = 187473246912.

The previous prime is 187473246911. The next prime is 187473246991. The reversal of 187473246913 is 319642374781.

187473246913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186168086784 + 1305160129 = 431472^2 + 36127^2 .

It is a cyclic number.

It is not a de Polignac number, because 187473246913 - 2¹ = 187473246911 is a prime.

Together with 187473246911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (187473246911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93736623456 + 93736623457.

It is an arithmetic number, because the mean of its divisors is an integer number (93736623457).

Almost surely, 2^187473246913 is an apocalyptic number.

It is an amenable number.

187473246913 is a deficient number, since it is larger than the sum of its proper divisors (1).

187473246913 is an equidigital number, since it uses as much as digits as its factorization.

187473246913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The spelling of 187473246913 in words is "one hundred eighty-seven billion, four hundred seventy-three million, two hundred forty-six thousand, nine hundred thirteen".