51244435229 has 16 divisors (see below), whose sum is σ = 57611414784. Its totient is φ = 45225734400.

The previous prime is 51244435213. The next prime is 51244435273. The reversal of 51244435229 is 92253444215.

It is a cyclic number.

It is not a de Polignac number, because 51244435229 - 2⁴ = 51244435213 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 (51244431229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653909 + ... + 728069.

It is an arithmetic number, because the mean of its divisors is an integer number (3600713424).

Almost surely, 2^51244435229 is an apocalyptic number.

It is an amenable number.

51244435229 is a deficient number, since it is larger than the sum of its proper divisors (6366979555).

51244435229 is a wasteful number, since it uses less digits than its factorization.

51244435229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76508.

The product of its digits is 345600, while the sum is 41.

The spelling of 51244435229 in words is "fifty-one billion, two hundred forty-four million, four hundred thirty-five thousand, two hundred twenty-nine".