1949589152 has 24 divisors (see below), whose sum is σ = 4386576096. Its totient is φ = 835538112.

The previous prime is 1949589139. The next prime is 1949589157. The reversal of 1949589152 is 2519859491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1949589094 and 1949589103.

It is not an unprimeable number, because it can be changed into a prime (1949589157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4351538 + ... + 4351985.

It is an arithmetic number, because the mean of its divisors is an integer number (182774004).

Almost surely, 2^1949589152 is an apocalyptic number.

It is an amenable number.

1949589152 is an abundant number, since it is smaller than the sum of its proper divisors (2436986944).

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

1949589152 is an equidigital number, since it uses as much as digits as its factorization.

1949589152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703540 (or 8703532 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 53.

The square root of 1949589152 is about 44154.1521490335. The cubic root of 1949589152 is about 1249.2452301097.

The spelling of 1949589152 in words is "one billion, nine hundred forty-nine million, five hundred eighty-nine thousand, one hundred fifty-two".