190306292989 has 2 divisors, whose sum is σ = 190306292990. Its totient is φ = 190306292988.

The previous prime is 190306292947. The next prime is 190306293013. The reversal of 190306292989 is 989292603091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177184590489 + 13121702500 = 420933^2 + 114550^2 .

It is a cyclic number.

It is not a de Polignac number, because 190306292989 - 2¹⁷ = 190306161917 is a prime.

It is a super-2 number, since 2×190306292989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190306292909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95153146494 + 95153146495.

It is an arithmetic number, because the mean of its divisors is an integer number (95153146495).

Almost surely, 2^190306292989 is an apocalyptic number.

It is an amenable number.

190306292989 is a deficient number, since it is larger than the sum of its proper divisors (1).

190306292989 is an equidigital number, since it uses as much as digits as its factorization.

190306292989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 58.

The spelling of 190306292989 in words is "one hundred ninety billion, three hundred six million, two hundred ninety-two thousand, nine hundred eighty-nine".