1949249884 has 12 divisors (see below), whose sum is σ = 3423776608. Its totient is φ = 971028000.

The previous prime is 1949249867. The next prime is 1949249891. The reversal of 1949249884 is 4889429491.

It is a super-2 number, since 2×1949249884² = 7599150220548026912, which contains 22 as substring.

It is a congruent number.

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, 898017 + ... + 900184.

Almost surely, 2^1949249884 is an apocalyptic number.

It is an amenable number.

1949249884 is a deficient number, since it is larger than the sum of its proper divisors (1474526724).

1949249884 is a wasteful number, since it uses less digits than its factorization.

1949249884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798476 (or 1798474 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 1949249884 is about 44150.3101234861. The cubic root of 1949249884 is about 1249.1727612483.

The spelling of 1949249884 in words is "one billion, nine hundred forty-nine million, two hundred forty-nine thousand, eight hundred eighty-four".