1813846377 has 24 divisors (see below), whose sum is σ = 2840650176. Its totient is φ = 1026412128.

The previous prime is 1813846373. The next prime is 1813846409. The reversal of 1813846377 is 7736483181.

It is not a de Polignac number, because 1813846377 - 2² = 1813846373 is a prime.

It is a super-2 number, since 2×1813846377² = 6580077358712052258, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1813846373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44758 + ... + 75039.

It is an arithmetic number, because the mean of its divisors is an integer number (118360424).

Almost surely, 2^1813846377 is an apocalyptic number.

It is an amenable number.

1813846377 is a deficient number, since it is larger than the sum of its proper divisors (1026803799).

1813846377 is a wasteful number, since it uses less digits than its factorization.

1813846377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119917 (or 119910 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 1813846377 is about 42589.2753753806. The cubic root of 1813846377 is about 1219.5515634420.

The spelling of 1813846377 in words is "one billion, eight hundred thirteen million, eight hundred forty-six thousand, three hundred seventy-seven".