1919436014 has 4 divisors (see below), whose sum is σ = 2879154024. Its totient is φ = 959718006.

The previous prime is 1919436011. The next prime is 1919436019. The reversal of 1919436014 is 4106349191.

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

It is a super-2 number, since 2×1919436014² = 7368469223680416392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919436011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479859002 + ... + 479859005.

It is an arithmetic number, because the mean of its divisors is an integer number (719788506).

Almost surely, 2^1919436014 is an apocalyptic number.

1919436014 is a deficient number, since it is larger than the sum of its proper divisors (959718010).

1919436014 is an equidigital number, since it uses as much as digits as its factorization.

1919436014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959718009.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1919436014 is about 43811.3685474444. The cubic root of 1919436014 is about 1242.7712935448.

The spelling of 1919436014 in words is "one billion, nine hundred nineteen million, four hundred thirty-six thousand, fourteen".