1850538996805 has 16 divisors (see below), whose sum is σ = 2297484848880. Its totient is φ = 1429217563648.

The previous prime is 1850538996799. The next prime is 1850538996829. The reversal of 1850538996805 is 5086998350581.

It can be written as a sum of positive squares in 8 ways, for example, as 208301872801 + 1642237124004 = 456401^2 + 1281498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1850538996805 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, 540159 + ... + 1998211.

It is an arithmetic number, because the mean of its divisors is an integer number (143592803055).

Almost surely, 2^{1850538996805} is an apocalyptic number.

It is an amenable number.

1850538996805 is a deficient number, since it is larger than the sum of its proper divisors (446945852075).

1850538996805 is a wasteful number, since it uses less digits than its factorization.

1850538996805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466840.

The product of its (nonzero) digits is 93312000, while the sum is 67.

The spelling of 1850538996805 in words is "one trillion, eight hundred fifty billion, five hundred thirty-eight million, nine hundred ninety-six thousand, eight hundred five".