51204433403 has 2 divisors, whose sum is σ = 51204433404. Its totient is φ = 51204433402.

The previous prime is 51204433361. The next prime is 51204433433. The reversal of 51204433403 is 30433440215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51204433403 - 2¹⁸ = 51204171259 is a prime.

It is not a weakly prime, because it can be changed into another prime (51204433433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25602216701 + 25602216702.

It is an arithmetic number, because the mean of its divisors is an integer number (25602216702).

Almost surely, 2^51204433403 is an apocalyptic number.

51204433403 is a deficient number, since it is larger than the sum of its proper divisors (1).

51204433403 is an equidigital number, since it uses as much as digits as its factorization.

51204433403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 51204433403 its reverse (30433440215), we get a palindrome (81637873618).

The spelling of 51204433403 in words is "fifty-one billion, two hundred four million, four hundred thirty-three thousand, four hundred three".