51038000749 has 8 divisors (see below), whose sum is σ = 51176643840. Its totient is φ = 50899438656.

The previous prime is 51038000737. The next prime is 51038000759. The reversal of 51038000749 is 94700083015.

51038000749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51038000749 - 2¹³ = 51037992557 is a prime.

It is a super-2 number, since 2×51038000749² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51038000759) 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, 1369764 + ... + 1406530.

It is an arithmetic number, because the mean of its divisors is an integer number (6397080480).

Almost surely, 2^51038000749 is an apocalyptic number.

It is an amenable number.

51038000749 is a deficient number, since it is larger than the sum of its proper divisors (138643091).

51038000749 is a wasteful number, since it uses less digits than its factorization.

51038000749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40499.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 51038000749 in words is "fifty-one billion, thirty-eight million, seven hundred forty-nine", and thus it is an aban number.