1919344354 has 8 divisors (see below), whose sum is σ = 2971888128. Its totient is φ = 928714980.

The previous prime is 1919344351. The next prime is 1919344379. The reversal of 1919344354 is 4534439191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1919344354.

It is not an unprimeable number, because it can be changed into a prime (1919344351) 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, 15478522 + ... + 15478645.

It is an arithmetic number, because the mean of its divisors is an integer number (371486016).

Almost surely, 2^1919344354 is an apocalyptic number.

1919344354 is a deficient number, since it is larger than the sum of its proper divisors (1052543774).

1919344354 is a wasteful number, since it uses less digits than its factorization.

1919344354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30957200.

The product of its digits is 233280, while the sum is 43.

The square root of 1919344354 is about 43810.3224594387. The cubic root of 1919344354 is about 1242.7515109578.

The spelling of 1919344354 in words is "one billion, nine hundred nineteen million, three hundred forty-four thousand, three hundred fifty-four".