1853982105 has 16 divisors (see below), whose sum is σ = 2972328000. Its totient is φ = 986804928.

The previous prime is 1853982101. The next prime is 1853982113. The reversal of 1853982105 is 5012893581.

It is not a de Polignac number, because 1853982105 - 2² = 1853982101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1853982101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116362 + ... + 131331.

It is an arithmetic number, because the mean of its divisors is an integer number (185770500).

Almost surely, 2^1853982105 is an apocalyptic number.

1853982105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1853982105 is a deficient number, since it is larger than the sum of its proper divisors (1118345895).

1853982105 is a wasteful number, since it uses less digits than its factorization.

1853982105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248200.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 1853982105 is about 43057.8924820990. The cubic root of 1853982105 is about 1228.4811942890.

The spelling of 1853982105 in words is "one billion, eight hundred fifty-three million, nine hundred eighty-two thousand, one hundred five".