1774632949 has 2 divisors, whose sum is σ = 1774632950. Its totient is φ = 1774632948.

The previous prime is 1774632943. The next prime is 1774632983. The reversal of 1774632949 is 9492364771.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1757118724 + 17514225 = 41918^2 + 4185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1774632949 - 2²¹ = 1772535797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1774632896 and 1774632905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1774632943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887316474 + 887316475.

It is an arithmetic number, because the mean of its divisors is an integer number (887316475).

Almost surely, 2^1774632949 is an apocalyptic number.

It is an amenable number.

1774632949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1774632949 is an equidigital number, since it uses as much as digits as its factorization.

1774632949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 52.

The square root of 1774632949 is about 42126.3925467159. The cubic root of 1774632949 is about 1210.6989902980.

The spelling of 1774632949 in words is "one billion, seven hundred seventy-four million, six hundred thirty-two thousand, nine hundred forty-nine".