1949496026 has 24 divisors (see below), whose sum is σ = 3108937140. Its totient is φ = 916658496.

The previous prime is 1949496013. The next prime is 1949496037. The reversal of 1949496026 is 6206949491.

It can be written as a sum of positive squares in 2 ways, for example, as 1944721801 + 4774225 = 44099^2 + 2185^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 89060 + ... + 108768.

Almost surely, 2^1949496026 is an apocalyptic number.

1949496026 is a deficient number, since it is larger than the sum of its proper divisors (1159441114).

1949496026 is a wasteful number, since it uses less digits than its factorization.

1949496026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19886 (or 19867 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 1949496026 is about 44153.0975810305. The cubic root of 1949496026 is about 1249.2253388993.

The spelling of 1949496026 in words is "one billion, nine hundred forty-nine million, four hundred ninety-six thousand, twenty-six".