1919404962 has 48 divisors (see below), whose sum is σ = 4307472000. Its totient is φ = 616970592.

The previous prime is 1919404961. The next prime is 1919404973. The reversal of 1919404962 is 2694049191.

It is not an unprimeable number, because it can be changed into a prime (1919404961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540589 + ... + 544127.

It is an arithmetic number, because the mean of its divisors is an integer number (89739000).

Almost surely, 2^1919404962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1919404962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153736000).

1919404962 is an abundant number, since it is smaller than the sum of its proper divisors (2388067038).

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

1919404962 is a wasteful number, since it uses less digits than its factorization.

1919404962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615 (or 4612 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1919404962 is about 43811.0141631074. The cubic root of 1919404962 is about 1242.7645917946.

The spelling of 1919404962 in words is "one billion, nine hundred nineteen million, four hundred four thousand, nine hundred sixty-two".