551317470437 has 4 divisors (see below), whose sum is σ = 551319637836. Its totient is φ = 551315303040.

The previous prime is 551317470421. The next prime is 551317470439. The reversal of 551317470437 is 734074713155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 360775617316 + 190541853121 = 600646^2 + 436511^2 .

It is a cyclic number.

It is not a de Polignac number, because 551317470437 - 2⁴ = 551317470421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551317470391 and 551317470400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551317470439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642188 + ... + 1230869.

It is an arithmetic number, because the mean of its divisors is an integer number (137829909459).

Almost surely, 2^551317470437 is an apocalyptic number.

It is an amenable number.

551317470437 is a deficient number, since it is larger than the sum of its proper divisors (2167399).

551317470437 is a wasteful number, since it uses less digits than its factorization.

551317470437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167398.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 551317470437 in words is "five hundred fifty-one billion, three hundred seventeen million, four hundred seventy thousand, four hundred thirty-seven".