1949249234 has 4 divisors (see below), whose sum is σ = 2923873854. Its totient is φ = 974624616.

The previous prime is 1949249231. The next prime is 1949249261. The reversal of 1949249234 is 4329429491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1522950625 + 426298609 = 39025^2 + 20647^2 .

It is not an unprimeable number, because it can be changed into a prime (1949249231) 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 as a sum of consecutive naturals, namely, 487312307 + ... + 487312310.

Almost surely, 2^1949249234 is an apocalyptic number.

1949249234 is a deficient number, since it is larger than the sum of its proper divisors (974624620).

1949249234 is an equidigital number, since it uses as much as digits as its factorization.

1949249234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974624619.

The product of its digits is 559872, while the sum is 47.

The square root of 1949249234 is about 44150.3027622688. The cubic root of 1949249234 is about 1249.1726223979.

The spelling of 1949249234 in words is "one billion, nine hundred forty-nine million, two hundred forty-nine thousand, two hundred thirty-four".