1949737188 has 96 divisors (see below), whose sum is σ = 5379555328. Its totient is φ = 537840000.

The previous prime is 1949737183. The next prime is 1949737189. The reversal of 1949737188 is 8817379491.

It is not an unprimeable number, because it can be changed into a prime (1949737183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1955106 + ... + 1956102.

Almost surely, 2^1949737188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1949737188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2689777664).

1949737188 is an abundant number, since it is smaller than the sum of its proper divisors (3429818140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949737188 is a wasteful number, since it uses less digits than its factorization.

1949737188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1791 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 57.

The square root of 1949737188 is about 44155.8284714487. The cubic root of 1949737188 is about 1249.2768484955.

The spelling of 1949737188 in words is "one billion, nine hundred forty-nine million, seven hundred thirty-seven thousand, one hundred eighty-eight".