1919484342 has 24 divisors (see below), whose sum is σ = 4197755016. Its totient is φ = 633847776.

The previous prime is 1919484341. The next prime is 1919484419. The reversal of 1919484342 is 2434849191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919484341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496383 + ... + 500234.

It is an arithmetic number, because the mean of its divisors is an integer number (174906459).

Almost surely, 2^1919484342 is an apocalyptic number.

1919484342 is an abundant number, since it is smaller than the sum of its proper divisors (2278270674).

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

1919484342 is a wasteful number, since it uses less digits than its factorization.

1919484342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996732 (or 996729 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1919484342 is about 43811.9200903133. The cubic root of 1919484342 is about 1242.7817237175.

The spelling of 1919484342 in words is "one billion, nine hundred nineteen million, four hundred eighty-four thousand, three hundred forty-two".