190421411 has 2 divisors, whose sum is σ = 190421412. Its totient is φ = 190421410.

The previous prime is 190421333. The next prime is 190421417. The reversal of 190421411 is 114124091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190421411 - 2¹⁰ = 190420387 is a prime.

It is not a weakly prime, because it can be changed into another prime (190421417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95210705 + 95210706.

It is an arithmetic number, because the mean of its divisors is an integer number (95210706).

Almost surely, 2^190421411 is an apocalyptic number.

190421411 is a deficient number, since it is larger than the sum of its proper divisors (1).

190421411 is an equidigital number, since it uses as much as digits as its factorization.

190421411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 190421411 is about 13799.3264690709. The cubic root of 190421411 is about 575.3144200987.

The spelling of 190421411 in words is "one hundred ninety million, four hundred twenty-one thousand, four hundred eleven".