19077379434 has 12 divisors (see below), whose sum is σ = 41334322146. Its totient is φ = 6359126472.

The previous prime is 19077379421. The next prime is 19077379439. The reversal of 19077379434 is 43497377091.

It can be written as a sum of positive squares in only one way, i.e., 12781433025 + 6295946409 = 113055^2 + 79347^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19077379439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529927189 + ... + 529927224.

Almost surely, 2^19077379434 is an apocalyptic number.

19077379434 is an abundant number, since it is smaller than the sum of its proper divisors (22256942712).

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

19077379434 is a wasteful number, since it uses less digits than its factorization.

19077379434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059854421 (or 1059854418 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The spelling of 19077379434 in words is "nineteen billion, seventy-seven million, three hundred seventy-nine thousand, four hundred thirty-four".