1919211014 has 48 divisors (see below), whose sum is σ = 3484339488. Its totient is φ = 776542464.

The previous prime is 1919210999. The next prime is 1919211017. The reversal of 1919211014 is 4101129191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919211017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2187944 + ... + 2188820.

It is an arithmetic number, because the mean of its divisors is an integer number (72590406).

Almost surely, 2^1919211014 is an apocalyptic number.

1919211014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1919211014 is a deficient number, since it is larger than the sum of its proper divisors (1565128474).

1919211014 is a wasteful number, since it uses less digits than its factorization.

1919211014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 1919211014 is about 43808.8006455324. The cubic root of 1919211014 is about 1242.7227316295.

The spelling of 1919211014 in words is "one billion, nine hundred nineteen million, two hundred eleven thousand, fourteen".