190274314309 has 2 divisors, whose sum is σ = 190274314310. Its totient is φ = 190274314308.

The previous prime is 190274314303. The next prime is 190274314387. The reversal of 190274314309 is 903413472091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180582502500 + 9691811809 = 424950^2 + 98447^2 .

It is a cyclic number.

It is not a de Polignac number, because 190274314309 - 2¹⁵ = 190274281541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190274314303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95137157154 + 95137157155.

It is an arithmetic number, because the mean of its divisors is an integer number (95137157155).

Almost surely, 2^190274314309 is an apocalyptic number.

It is an amenable number.

190274314309 is a deficient number, since it is larger than the sum of its proper divisors (1).

190274314309 is an equidigital number, since it uses as much as digits as its factorization.

190274314309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 190274314309 in words is "one hundred ninety billion, two hundred seventy-four million, three hundred fourteen thousand, three hundred nine".