188450413 has 4 divisors (see below), whose sum is σ = 189397600. Its totient is φ = 187503228.

The previous prime is 188450399. The next prime is 188450441. The reversal of 188450413 is 314054881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314054881 = 7 ⋅44864983.

It is a cyclic number.

It is not a de Polignac number, because 188450413 - 2⁹ = 188449901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188450453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473295 + ... + 473692.

It is an arithmetic number, because the mean of its divisors is an integer number (47349400).

Almost surely, 2^188450413 is an apocalyptic number.

It is an amenable number.

188450413 is a deficient number, since it is larger than the sum of its proper divisors (947187).

188450413 is an equidigital number, since it uses as much as digits as its factorization.

188450413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947186.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 188450413 is about 13727.7242469391. The cubic root of 188450413 is about 573.3225597023.

The spelling of 188450413 in words is "one hundred eighty-eight million, four hundred fifty thousand, four hundred thirteen".