1949192011 has 8 divisors (see below), whose sum is σ = 2120771744. Its totient is φ = 1780704000.

The previous prime is 1949192009. The next prime is 1949192033. The reversal of 1949192011 is 1102919491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1949192011 - 2¹ = 1949192009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1949192041) 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 7 ways as a sum of consecutive naturals, for example, 771615 + ... + 774136.

It is an arithmetic number, because the mean of its divisors is an integer number (265096468).

Almost surely, 2^1949192011 is an apocalyptic number.

1949192011 is a deficient number, since it is larger than the sum of its proper divisors (171579733).

1949192011 is a wasteful number, since it uses less digits than its factorization.

1949192011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545861.

The product of its (nonzero) digits is 5832, while the sum is 37.

The square root of 1949192011 is about 44149.6547098615. The cubic root of 1949192011 is about 1249.1603985284.

The spelling of 1949192011 in words is "one billion, nine hundred forty-nine million, one hundred ninety-two thousand, eleven".