90380933297 has 2 divisors, whose sum is σ = 90380933298. Its totient is φ = 90380933296.

The previous prime is 90380933221. The next prime is 90380933311. The reversal of 90380933297 is 79233908309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72038023201 + 18342910096 = 268399^2 + 135436^2 .

It is a cyclic number.

It is not a de Polignac number, because 90380933297 - 2¹⁸ = 90380671153 is a prime.

It is not a weakly prime, because it can be changed into another prime (90380933207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45190466648 + 45190466649.

It is an arithmetic number, because the mean of its divisors is an integer number (45190466649).

Almost surely, 2^90380933297 is an apocalyptic number.

It is an amenable number.

90380933297 is a deficient number, since it is larger than the sum of its proper divisors (1).

90380933297 is an equidigital number, since it uses as much as digits as its factorization.

90380933297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 90380933297 in words is "ninety billion, three hundred eighty million, nine hundred thirty-three thousand, two hundred ninety-seven".