1919992058 has 4 divisors (see below), whose sum is σ = 2879988090. Its totient is φ = 959996028.

The previous prime is 1919992027. The next prime is 1919992069. The reversal of 1919992058 is 8502999191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1780586809 + 139405249 = 42197^2 + 11807^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479998013 + ... + 479998016.

Almost surely, 2^1919992058 is an apocalyptic number.

1919992058 is a deficient number, since it is larger than the sum of its proper divisors (959996032).

1919992058 is an equidigital number, since it uses as much as digits as its factorization.

1919992058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959996031.

The product of its (nonzero) digits is 524880, while the sum is 53.

The square root of 1919992058 is about 43817.7139750581. The cubic root of 1919992058 is about 1242.8912886541.

The spelling of 1919992058 in words is "one billion, nine hundred nineteen million, nine hundred ninety-two thousand, fifty-eight".