1949426884 has 12 divisors (see below), whose sum is σ = 3414152700. Its totient is φ = 973954688.

The previous prime is 1949426879. The next prime is 1949426903. The reversal of 1949426884 is 4886249491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 691164100 + 1258262784 = 26290^2 + 35472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183889 + ... + 194200.

It is an arithmetic number, because the mean of its divisors is an integer number (284512725).

Almost surely, 2^1949426884 is an apocalyptic number.

It is an amenable number.

1949426884 is a deficient number, since it is larger than the sum of its proper divisors (1464725816).

1949426884 is a wasteful number, since it uses less digits than its factorization.

1949426884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379382 (or 379380 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The square root of 1949426884 is about 44152.3145939146. The cubic root of 1949426884 is about 1249.2105701320.

The spelling of 1949426884 in words is "one billion, nine hundred forty-nine million, four hundred twenty-six thousand, eight hundred eighty-four".