266104049 has 2 divisors, whose sum is σ = 266104050. Its totient is φ = 266104048.

The previous prime is 266103977. The next prime is 266104109. The reversal of 266104049 is 940401662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165302449 + 100801600 = 12857^2 + 10040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266104049 is a prime.

It is a super-2 number, since 2×266104049² = 141622729788388802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (266104249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133052024 + 133052025.

It is an arithmetic number, because the mean of its divisors is an integer number (133052025).

Almost surely, 2^266104049 is an apocalyptic number.

It is an amenable number.

266104049 is a deficient number, since it is larger than the sum of its proper divisors (1).

266104049 is an equidigital number, since it uses as much as digits as its factorization.

266104049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 266104049 is about 16312.6959451833. The cubic root of 266104049 is about 643.2066031941.

The spelling of 266104049 in words is "two hundred sixty-six million, one hundred four thousand, forty-nine".