187490732029 has 2 divisors, whose sum is σ = 187490732030. Its totient is φ = 187490732028.

The previous prime is 187490731991. The next prime is 187490732059. The reversal of 187490732029 is 920237094781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187490732004 + 25 = 433002^2 + 5^2 .

It is an emirp because it is prime and its reverse (920237094781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 187490732029 - 2¹³ = 187490723837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187490732059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93745366014 + 93745366015.

It is an arithmetic number, because the mean of its divisors is an integer number (93745366015).

Almost surely, 2^187490732029 is an apocalyptic number.

It is an amenable number.

187490732029 is a deficient number, since it is larger than the sum of its proper divisors (1).

187490732029 is an equidigital number, since it uses as much as digits as its factorization.

187490732029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 187490732029 in words is "one hundred eighty-seven billion, four hundred ninety million, seven hundred thirty-two thousand, twenty-nine".