51496609433 has 2 divisors, whose sum is σ = 51496609434. Its totient is φ = 51496609432.

The previous prime is 51496609399. The next prime is 51496609441. The reversal of 51496609433 is 33490669415.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51172321369 + 324288064 = 226213^2 + 18008^2 .

It is a cyclic number.

It is not a de Polignac number, because 51496609433 - 2⁶ = 51496609369 is a prime.

It is not a weakly prime, because it can be changed into another prime (51496699433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25748304716 + 25748304717.

It is an arithmetic number, because the mean of its divisors is an integer number (25748304717).

Almost surely, 2^51496609433 is an apocalyptic number.

It is an amenable number.

51496609433 is a deficient number, since it is larger than the sum of its proper divisors (1).

51496609433 is an equidigital number, since it uses as much as digits as its factorization.

51496609433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 51496609433 in words is "fifty-one billion, four hundred ninety-six million, six hundred nine thousand, four hundred thirty-three".