51005034213 has 16 divisors (see below), whose sum is σ = 77784827520. Its totient is φ = 29122157376.

The previous prime is 51005034131. The next prime is 51005034233. The reversal of 51005034213 is 31243050015.

It is not a de Polignac number, because 51005034213 - 2¹⁴ = 51005017829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005034233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955758 + ... + 1007711.

It is an arithmetic number, because the mean of its divisors is an integer number (4861551720).

Almost surely, 2^51005034213 is an apocalyptic number.

It is an amenable number.

51005034213 is a deficient number, since it is larger than the sum of its proper divisors (26779793307).

51005034213 is a wasteful number, since it uses less digits than its factorization.

51005034213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964716.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 51005034213 its reverse (31243050015), we get a palindrome (82248084228).

The spelling of 51005034213 in words is "fifty-one billion, five million, thirty-four thousand, two hundred thirteen".