1919400514 has 16 divisors (see below), whose sum is σ = 2898153216. Its totient is φ = 953370000.

The previous prime is 1919400499. The next prime is 1919400541. The reversal of 1919400514 is 4150049191.

It is a self number, because there is not a number n which added to its sum of digits gives 1919400514.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194479 + ... + 204109.

It is an arithmetic number, because the mean of its divisors is an integer number (181134576).

Almost surely, 2^1919400514 is an apocalyptic number.

1919400514 is a deficient number, since it is larger than the sum of its proper divisors (978752702).

1919400514 is a wasteful number, since it uses less digits than its factorization.

1919400514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1919400514 is about 43810.9633995876. The cubic root of 1919400514 is about 1242.7636318059.

The spelling of 1919400514 in words is "one billion, nine hundred nineteen million, four hundred thousand, five hundred fourteen".