51236314453 has 2 divisors, whose sum is σ = 51236314454. Its totient is φ = 51236314452.

The previous prime is 51236314411. The next prime is 51236314463. The reversal of 51236314453 is 35441363215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47631753009 + 3604561444 = 218247^2 + 60038^2 .

It is a cyclic number.

It is not a de Polignac number, because 51236314453 - 2²¹ = 51234217301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51236314463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25618157226 + 25618157227.

It is an arithmetic number, because the mean of its divisors is an integer number (25618157227).

Almost surely, 2^51236314453 is an apocalyptic number.

It is an amenable number.

51236314453 is a deficient number, since it is larger than the sum of its proper divisors (1).

51236314453 is an equidigital number, since it uses as much as digits as its factorization.

51236314453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 37.

Adding to 51236314453 its reverse (35441363215), we get a palindrome (86677677668).

The spelling of 51236314453 in words is "fifty-one billion, two hundred thirty-six million, three hundred fourteen thousand, four hundred fifty-three".