51362144039 has 2 divisors, whose sum is σ = 51362144040. Its totient is φ = 51362144038.

The previous prime is 51362144033. The next prime is 51362144069. The reversal of 51362144039 is 93044126315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51362144039 - 2¹² = 51362139943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51362143993 and 51362144011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51362144033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25681072019 + 25681072020.

It is an arithmetic number, because the mean of its divisors is an integer number (25681072020).

Almost surely, 2^51362144039 is an apocalyptic number.

51362144039 is a deficient number, since it is larger than the sum of its proper divisors (1).

51362144039 is an equidigital number, since it uses as much as digits as its factorization.

51362144039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 51362144039 in words is "fifty-one billion, three hundred sixty-two million, one hundred forty-four thousand, thirty-nine".