1808150480949 has 16 divisors (see below), whose sum is σ = 2564781071040. Its totient is φ = 1129148885760.

The previous prime is 1808150480947. The next prime is 1808150480951. The reversal of 1808150480949 is 9490840518081.

It is an interprime number because it is at equal distance from previous prime (1808150480947) and next prime (1808150480951).

It is not a de Polignac number, because 1808150480949 - 2¹ = 1808150480947 is a prime.

It is a super-2 number, since 2×1808150480949² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808150480947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84003294 + ... + 84024815.

It is an arithmetic number, because the mean of its divisors is an integer number (160298816940).

Almost surely, 2^{1808150480949} is an apocalyptic number.

It is an amenable number.

1808150480949 is a deficient number, since it is larger than the sum of its proper divisors (756630590091).

1808150480949 is a wasteful number, since it uses less digits than its factorization.

1808150480949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168028340.

The product of its (nonzero) digits is 3317760, while the sum is 57.

The spelling of 1808150480949 in words is "one trillion, eight hundred eight billion, one hundred fifty million, four hundred eighty thousand, nine hundred forty-nine".