1934749249 has 2 divisors, whose sum is σ = 1934749250. Its totient is φ = 1934749248.

The previous prime is 1934749241. The next prime is 1934749301. The reversal of 1934749249 is 9429474391.

It is an a-pointer prime, because the next prime (1934749301) can be obtained adding 1934749249 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1436031025 + 498718224 = 37895^2 + 22332^2 .

It is an emirp because it is prime and its reverse (9429474391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1934749249 - 2³ = 1934749241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1934749196 and 1934749205.

It is not a weakly prime, because it can be changed into another prime (1934749241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967374624 + 967374625.

It is an arithmetic number, because the mean of its divisors is an integer number (967374625).

Almost surely, 2^1934749249 is an apocalyptic number.

It is an amenable number.

1934749249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1934749249 is an equidigital number, since it uses as much as digits as its factorization.

1934749249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 1934749249 is about 43985.7846241260. The cubic root of 1934749249 is about 1246.0674809960.

The spelling of 1934749249 in words is "one billion, nine hundred thirty-four million, seven hundred forty-nine thousand, two hundred forty-nine".