51016309741 has 8 divisors (see below), whose sum is σ = 52700396544. Its totient is φ = 49334622960.

The previous prime is 51016309739. The next prime is 51016309759. The reversal of 51016309741 is 14790361015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51016309741 - 2¹ = 51016309739 is a prime.

It is a super-4 number, since 4×51016309741⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51016309741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51016309781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556741 + ... + 641866.

It is an arithmetic number, because the mean of its divisors is an integer number (6587549568).

Almost surely, 2^51016309741 is an apocalyptic number.

It is an amenable number.

51016309741 is a deficient number, since it is larger than the sum of its proper divisors (1684086803).

51016309741 is a wasteful number, since it uses less digits than its factorization.

51016309741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200011.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 51016309741 in words is "fifty-one billion, sixteen million, three hundred nine thousand, seven hundred forty-one".