290693061097 has 2 divisors, whose sum is σ = 290693061098. Its totient is φ = 290693061096.

The previous prime is 290693061083. The next prime is 290693061133. The reversal of 290693061097 is 790160396092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284682005136 + 6011055961 = 533556^2 + 77531^2 .

It is a cyclic number.

It is not a de Polignac number, because 290693061097 - 2⁷ = 290693060969 is a prime.

It is not a weakly prime, because it can be changed into another prime (290693061047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145346530548 + 145346530549.

It is an arithmetic number, because the mean of its divisors is an integer number (145346530549).

Almost surely, 2^290693061097 is an apocalyptic number.

It is an amenable number.

290693061097 is a deficient number, since it is larger than the sum of its proper divisors (1).

290693061097 is an equidigital number, since it uses as much as digits as its factorization.

290693061097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 290693061097 in words is "two hundred ninety billion, six hundred ninety-three million, sixty-one thousand, ninety-seven".