1817950046 has 16 divisors (see below), whose sum is σ = 3149817840. Its totient is φ = 777732480.

The previous prime is 1817950037. The next prime is 1817950049. The reversal of 1817950046 is 6400597181.

It is a junction number, because it is equal to n+sod(n) for n = 1817949985 and 1817950012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1817950049) 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, 2430041 + ... + 2430788.

It is an arithmetic number, because the mean of its divisors is an integer number (196863615).

Almost surely, 2^1817950046 is an apocalyptic number.

1817950046 is a deficient number, since it is larger than the sum of its proper divisors (1331867794).

1817950046 is a wasteful number, since it uses less digits than its factorization.

1817950046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860859.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1817950046 is about 42637.4254147691. The cubic root of 1817950046 is about 1220.4705803556.

The spelling of 1817950046 in words is "one billion, eight hundred seventeen million, nine hundred fifty thousand, forty-six".