1909160426 has 8 divisors (see below), whose sum is σ = 2864876160. Its totient is φ = 954201708.

The previous prime is 1909160423. The next prime is 1909160431. The reversal of 1909160426 is 6240619091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×1909160426⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1909160426.

It is not an unprimeable number, because it can be changed into a prime (1909160423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182906 + ... + 193061.

It is an arithmetic number, because the mean of its divisors is an integer number (358109520).

Almost surely, 2^1909160426 is an apocalyptic number.

1909160426 is a deficient number, since it is larger than the sum of its proper divisors (955715734).

1909160426 is a wasteful number, since it uses less digits than its factorization.

1909160426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378508.

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

The square root of 1909160426 is about 43693.9403807896. The cubic root of 1909160426 is about 1240.5496232386.

The spelling of 1909160426 in words is "one billion, nine hundred nine million, one hundred sixty thousand, four hundred twenty-six".