5621814149 has 12 divisors (see below), whose sum is σ = 6678805824. Its totient is φ = 4716170424.

The previous prime is 5621814119. The next prime is 5621814161. The reversal of 5621814149 is 9414181265.

It is a de Polignac number, because none of the positive numbers 2^k-5621814149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621814119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1218239 + ... + 1222844.

It is an arithmetic number, because the mean of its divisors is an integer number (556567152).

Almost surely, 2^5621814149 is an apocalyptic number.

It is an amenable number.

5621814149 is a deficient number, since it is larger than the sum of its proper divisors (1056991675).

5621814149 is a wasteful number, since it uses less digits than its factorization.

5621814149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441144 (or 2441137 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 5621814149 is about 74978.7579851787. The cubic root of 5621814149 is about 1778.1108338126.

The spelling of 5621814149 in words is "five billion, six hundred twenty-one million, eight hundred fourteen thousand, one hundred forty-nine".