1813075050 has 48 divisors (see below), whose sum is σ = 4691931840. Its totient is φ = 462464640.

The previous prime is 1813075049. The next prime is 1813075051. The reversal of 1813075050 is 505703181.

It is an interprime number because it is at equal distance from previous prime (1813075049) and next prime (1813075051).

It is a super-2 number, since 2×1813075050² = 6574482273865005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1813074999 and 1813075017.

It is not an unprimeable number, because it can be changed into a prime (1813075051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259315 + ... + 266214.

It is an arithmetic number, because the mean of its divisors is an integer number (97748580).

Almost surely, 2^1813075050 is an apocalyptic number.

1813075050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1813075050 is an abundant number, since it is smaller than the sum of its proper divisors (2878856790).

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

1813075050 is a wasteful number, since it uses less digits than its factorization.

1813075050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525567 (or 525562 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1813075050 is about 42580.2189989671. The cubic root of 1813075050 is about 1219.3786700021.

The spelling of 1813075050 in words is "one billion, eight hundred thirteen million, seventy-five thousand, fifty".