551389013893 has 2 divisors, whose sum is σ = 551389013894. Its totient is φ = 551389013892.

The previous prime is 551389013869. The next prime is 551389013927. The reversal of 551389013893 is 398310983155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356984740324 + 194404273569 = 597482^2 + 440913^2 .

It is a cyclic number.

It is not a de Polignac number, because 551389013893 - 2⁹ = 551389013381 is a prime.

It is a super-3 number, since 3×551389013893³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551389013863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275694506946 + 275694506947.

It is an arithmetic number, because the mean of its divisors is an integer number (275694506947).

Almost surely, 2^551389013893 is an apocalyptic number.

It is an amenable number.

551389013893 is a deficient number, since it is larger than the sum of its proper divisors (1).

551389013893 is an equidigital number, since it uses as much as digits as its factorization.

551389013893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 551389013893 in words is "five hundred fifty-one billion, three hundred eighty-nine million, thirteen thousand, eight hundred ninety-three".