1808047373 has 8 divisors (see below), whose sum is σ = 1990850400. Its totient is φ = 1628316880.

The previous prime is 1808047363. The next prime is 1808047399. The reversal of 1808047373 is 3737408081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1808047373 - 2¹⁶ = 1807981837 is a prime.

It is a super-2 number, since 2×1808047373² = 6538070606024402258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1808047373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808047303) 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, 766898 + ... + 769251.

It is an arithmetic number, because the mean of its divisors is an integer number (248856300).

Almost surely, 2^1808047373 is an apocalyptic number.

It is an amenable number.

1808047373 is a deficient number, since it is larger than the sum of its proper divisors (182803027).

1808047373 is a wasteful number, since it uses less digits than its factorization.

1808047373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536267.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 1808047373 is about 42521.1403069109. The cubic root of 1808047373 is about 1218.2505097495.

The spelling of 1808047373 in words is "one billion, eight hundred eight million, forty-seven thousand, three hundred seventy-three".