190427896459 has 2 divisors, whose sum is σ = 190427896460. Its totient is φ = 190427896458.

The previous prime is 190427896387. The next prime is 190427896567. The reversal of 190427896459 is 954698724091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190427896459 - 2⁷ = 190427896331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190427896459.

It is not a weakly prime, because it can be changed into another prime (190427896259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95213948229 + 95213948230.

It is an arithmetic number, because the mean of its divisors is an integer number (95213948230).

Almost surely, 2^190427896459 is an apocalyptic number.

190427896459 is a deficient number, since it is larger than the sum of its proper divisors (1).

190427896459 is an equidigital number, since it uses as much as digits as its factorization.

190427896459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 190427896459 in words is "one hundred ninety billion, four hundred twenty-seven million, eight hundred ninety-six thousand, four hundred fifty-nine".