551404014243 has 16 divisors (see below), whose sum is σ = 738574663680. Its totient is φ = 365918344704.

The previous prime is 551404014221. The next prime is 551404014269. The reversal of 551404014243 is 342410404155.

It is a happy number.

It is not a de Polignac number, because 551404014243 - 2⁹ = 551404013731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551404014443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7972830 + ... + 8041692.

It is an arithmetic number, because the mean of its divisors is an integer number (46160916480).

Almost surely, 2^551404014243 is an apocalyptic number.

551404014243 is a deficient number, since it is larger than the sum of its proper divisors (187170649437).

551404014243 is a wasteful number, since it uses less digits than its factorization.

551404014243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81058.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 551404014243 its reverse (342410404155), we get a palindrome (893814418398).

The spelling of 551404014243 in words is "five hundred fifty-one billion, four hundred four million, fourteen thousand, two hundred forty-three".