1949690414 has 12 divisors (see below), whose sum is σ = 3342609672. Its totient is φ = 835510800.

The previous prime is 1949690299. The next prime is 1949690443. The reversal of 1949690414 is 4140969491.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 159314 + ... + 171114.

It is an arithmetic number, because the mean of its divisors is an integer number (278550806).

Almost surely, 2^1949690414 is an apocalyptic number.

1949690414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1949690414 is a deficient number, since it is larger than the sum of its proper divisors (1392919258).

1949690414 is an frugal number, since it uses more digits than its factorization.

1949690414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23611 (or 11810 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1949690414 is about 44155.2988213193. The cubic root of 1949690414 is about 1249.2668584068.

The spelling of 1949690414 in words is "one billion, nine hundred forty-nine million, six hundred ninety thousand, four hundred fourteen".