51080030949 has 16 divisors (see below), whose sum is σ = 70376580032. Its totient is φ = 32929711488.

The previous prime is 51080030893. The next prime is 51080031029. The reversal of 51080030949 is 94903008015.

It is not a de Polignac number, because 51080030949 - 2¹⁶ = 51079965413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51080031949) 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, 1393504 + ... + 1429689.

It is an arithmetic number, because the mean of its divisors is an integer number (4398536252).

Almost surely, 2^51080030949 is an apocalyptic number.

It is an amenable number.

51080030949 is a deficient number, since it is larger than the sum of its proper divisors (19296549083).

51080030949 is a wasteful number, since it uses less digits than its factorization.

51080030949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823396.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 51080030949 in words is "fifty-one billion, eighty million, thirty thousand, nine hundred forty-nine".