190036378097 has 2 divisors, whose sum is σ = 190036378098. Its totient is φ = 190036378096.

The previous prime is 190036378093. The next prime is 190036378117. The reversal of 190036378097 is 790873630091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138684739216 + 51351638881 = 372404^2 + 226609^2 .

It is a cyclic number.

It is not a de Polignac number, because 190036378097 - 2² = 190036378093 is a prime.

It is a super-2 number, since 2×190036378097² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190036378093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95018189048 + 95018189049.

It is an arithmetic number, because the mean of its divisors is an integer number (95018189049).

Almost surely, 2^190036378097 is an apocalyptic number.

It is an amenable number.

190036378097 is a deficient number, since it is larger than the sum of its proper divisors (1).

190036378097 is an equidigital number, since it uses as much as digits as its factorization.

190036378097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 190036378097 in words is "one hundred ninety billion, thirty-six million, three hundred seventy-eight thousand, ninety-seven".