551430551933 has 2 divisors, whose sum is σ = 551430551934. Its totient is φ = 551430551932.

The previous prime is 551430551843. The next prime is 551430551963. The reversal of 551430551933 is 339155034155.

It is a happy number.

551430551933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448542291289 + 102888260644 = 669733^2 + 320762^2 .

It is a cyclic number.

It is not a de Polignac number, because 551430551933 - 2⁸ = 551430551677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551430551963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275715275966 + 275715275967.

It is an arithmetic number, because the mean of its divisors is an integer number (275715275967).

Almost surely, 2^551430551933 is an apocalyptic number.

It is an amenable number.

551430551933 is a deficient number, since it is larger than the sum of its proper divisors (1).

551430551933 is an equidigital number, since it uses as much as digits as its factorization.

551430551933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 607500, while the sum is 44.

The spelling of 551430551933 in words is "five hundred fifty-one billion, four hundred thirty million, five hundred fifty-one thousand, nine hundred thirty-three".