1831608212845 has 64 divisors (see below), whose sum is σ = 2421565009920. Its totient is φ = 1325099520000.

The previous prime is 1831608212773. The next prime is 1831608212851. The reversal of 1831608212845 is 5482128061381.

It is not a de Polignac number, because 1831608212845 - 2¹³ = 1831608204653 is a prime.

It is a super-2 number, since 2×1831608212845² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45360465 + ... + 45400825.

It is an arithmetic number, because the mean of its divisors is an integer number (37836953280).

Almost surely, 2^{1831608212845} is an apocalyptic number.

It is an amenable number.

1831608212845 is a deficient number, since it is larger than the sum of its proper divisors (589956797075).

1831608212845 is a wasteful number, since it uses less digits than its factorization.

1831608212845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40678.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 1831608212845 in words is "one trillion, eight hundred thirty-one billion, six hundred eight million, two hundred twelve thousand, eight hundred forty-five".