1919052077824 has 72 divisors (see below), whose sum is σ = 4378856539680. Its totient is φ = 822259458048.

The previous prime is 1919052077809. The next prime is 1919052077837. The reversal of 1919052077824 is 4287702509191.

It is a super-2 number, since 2×1919052077824² (a number of 25 digits) contains 22 as substring.

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, 7713972 + ... + 7958860.

It is an arithmetic number, because the mean of its divisors is an integer number (60817451940).

Almost surely, 2^{1919052077824} is an apocalyptic number.

1919052077824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1919052077824 is an abundant number, since it is smaller than the sum of its proper divisors (2459804461856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1919052077824 is an equidigital number, since it uses as much as digits as its factorization.

1919052077824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249285 (or 249271 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 1919052077824 in words is "one trillion, nine hundred nineteen billion, fifty-two million, seventy-seven thousand, eight hundred twenty-four".