1819241005 has 16 divisors (see below), whose sum is σ = 2281014144. Its totient is φ = 1390276800.

The previous prime is 1819240999. The next prime is 1819241027. The reversal of 1819241005 is 5001429181.

It is a happy number.

It is not a de Polignac number, because 1819241005 - 2¹³ = 1819232813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80455 + ... + 100555.

It is an arithmetic number, because the mean of its divisors is an integer number (142563384).

Almost surely, 2^1819241005 is an apocalyptic number.

It is an amenable number.

1819241005 is a deficient number, since it is larger than the sum of its proper divisors (461773139).

1819241005 is a wasteful number, since it uses less digits than its factorization.

1819241005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20916.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1819241005 is about 42652.5615291743. The cubic root of 1819241005 is about 1220.7594046978.

The spelling of 1819241005 in words is "one billion, eight hundred nineteen million, two hundred forty-one thousand, five".