1900009163 has 8 divisors (see below), whose sum is σ = 2101465968. Its totient is φ = 1706452704.

The previous prime is 1900009159. The next prime is 1900009183. The reversal of 1900009163 is 3619000091.

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

It is a cyclic number.

It is not a de Polignac number, because 1900009163 - 2² = 1900009159 is a prime.

It is a super-2 number, since 2×1900009163² = 7220069638967921138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1900009103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974581 + ... + 1975542.

It is an arithmetic number, because the mean of its divisors is an integer number (262683246).

Almost surely, 2^1900009163 is an apocalyptic number.

1900009163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1900009163 is a deficient number, since it is larger than the sum of its proper divisors (201456805).

1900009163 is a wasteful number, since it uses less digits than its factorization.

1900009163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950173.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1900009163 is about 43589.0945420985. The cubic root of 1900009163 is about 1238.5643206702.

The spelling of 1900009163 in words is "one billion, nine hundred million, nine thousand, one hundred sixty-three".