774040049 has 2 divisors, whose sum is σ = 774040050. Its totient is φ = 774040048.

The previous prime is 774040027. The next prime is 774040081. The reversal of 774040049 is 940040477.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 762864400 + 11175649 = 27620^2 + 3343^2 .

It is an emirp because it is prime and its reverse (940040477) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 774040049 - 2¹² = 774035953 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (774040009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387020024 + 387020025.

It is an arithmetic number, because the mean of its divisors is an integer number (387020025).

Almost surely, 2^774040049 is an apocalyptic number.

It is an amenable number.

774040049 is a deficient number, since it is larger than the sum of its proper divisors (1).

774040049 is an equidigital number, since it uses as much as digits as its factorization.

774040049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 774040049 is about 27821.5752429657. The cubic root of 774040049 is about 918.1658673648.

The spelling of 774040049 in words is "seven hundred seventy-four million, forty thousand, forty-nine".