1949252305 has 32 divisors (see below), whose sum is σ = 3140621568. Its totient is φ = 1121644800.

The previous prime is 1949252297. The next prime is 1949252309. The reversal of 1949252305 is 5032529491.

It is not a de Polignac number, because 1949252305 - 2³ = 1949252297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1949252309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189726 + ... + 199735.

It is an arithmetic number, because the mean of its divisors is an integer number (98144424).

Almost surely, 2^1949252305 is an apocalyptic number.

It is an amenable number.

1949252305 is a deficient number, since it is larger than the sum of its proper divisors (1191369263).

1949252305 is a wasteful number, since it uses less digits than its factorization.

1949252305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389497.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 1949252305 is about 44150.3375411785. The cubic root of 1949252305 is about 1249.1732784123.

It can be divided in two parts, 19 and 49252305, that added together give a square (49252324 = 7018²).

The spelling of 1949252305 in words is "one billion, nine hundred forty-nine million, two hundred fifty-two thousand, three hundred five".