190736969 has 2 divisors, whose sum is σ = 190736970. Its totient is φ = 190736968.

The previous prime is 190736947. The next prime is 190736989. The reversal of 190736969 is 969637091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173264569 + 17472400 = 13163^2 + 4180^2 .

It is a cyclic number.

It is not a de Polignac number, because 190736969 - 2⁸ = 190736713 is a prime.

It is a super-2 number, since 2×190736969² = 72761182686613922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190736929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95368484 + 95368485.

It is an arithmetic number, because the mean of its divisors is an integer number (95368485).

Almost surely, 2^190736969 is an apocalyptic number.

It is an amenable number.

190736969 is a deficient number, since it is larger than the sum of its proper divisors (1).

190736969 is an equidigital number, since it uses as much as digits as its factorization.

190736969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 190736969 is about 13810.7555550013. The cubic root of 190736969 is about 575.6320399788.

The spelling of 190736969 in words is "one hundred ninety million, seven hundred thirty-six thousand, nine hundred sixty-nine".