187084553093 has 2 divisors, whose sum is σ = 187084553094. Its totient is φ = 187084553092.

The previous prime is 187084553003. The next prime is 187084553167. The reversal of 187084553093 is 390355480781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175580274529 + 11504278564 = 419023^2 + 107258^2 .

It is a cyclic number.

It is not a de Polignac number, because 187084553093 - 2¹² = 187084548997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187084553003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93542276546 + 93542276547.

It is an arithmetic number, because the mean of its divisors is an integer number (93542276547).

Almost surely, 2^187084553093 is an apocalyptic number.

It is an amenable number.

187084553093 is a deficient number, since it is larger than the sum of its proper divisors (1).

187084553093 is an equidigital number, since it uses as much as digits as its factorization.

187084553093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 187084553093 in words is "one hundred eighty-seven billion, eighty-four million, five hundred fifty-three thousand, ninety-three".