1949419528 has 24 divisors (see below), whose sum is σ = 4251923550. Its totient is φ = 835465344.

The previous prime is 1949419519. The next prime is 1949419541. The reversal of 1949419528 is 8259149491.

It can be written as a sum of positive squares in only one way, i.e., 1057680484 + 891739044 = 32522^2 + 29862^2 .

It is a super-2 number, since 2×1949419528² = 7600472992295485568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2486113 + ... + 2486896.

Almost surely, 2^1949419528 is an apocalyptic number.

It is an amenable number.

1949419528 is an abundant number, since it is smaller than the sum of its proper divisors (2302504022).

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

1949419528 is a wasteful number, since it uses less digits than its factorization.

1949419528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973029 (or 4973018 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The square root of 1949419528 is about 44152.2312912949. The cubic root of 1949419528 is about 1249.2089988660.

The spelling of 1949419528 in words is "one billion, nine hundred forty-nine million, four hundred nineteen thousand, five hundred twenty-eight".