51038000737 has 2 divisors, whose sum is σ = 51038000738. Its totient is φ = 51038000736.

The previous prime is 51038000731. The next prime is 51038000759. The reversal of 51038000737 is 73700083015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37682962641 + 13355038096 = 194121^2 + 115564^2 .

It is a cyclic number.

It is not a de Polignac number, because 51038000737 - 2¹⁵ = 51037967969 is a prime.

It is not a weakly prime, because it can be changed into another prime (51038000731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25519000368 + 25519000369.

It is an arithmetic number, because the mean of its divisors is an integer number (25519000369).

Almost surely, 2^51038000737 is an apocalyptic number.

It is an amenable number.

51038000737 is a deficient number, since it is larger than the sum of its proper divisors (1).

51038000737 is an equidigital number, since it uses as much as digits as its factorization.

51038000737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 51038000737 in words is "fifty-one billion, thirty-eight million, seven hundred thirty-seven", and thus it is an aban number.