551324420497 has 4 divisors (see below), whose sum is σ = 580341495280. Its totient is φ = 522307345716.

The previous prime is 551324420489. The next prime is 551324420509. The reversal of 551324420497 is 794024423155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551324420497 - 2³ = 551324420489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551324420447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14508537363 + ... + 14508537400.

It is an arithmetic number, because the mean of its divisors is an integer number (145085373820).

Almost surely, 2^551324420497 is an apocalyptic number.

It is an amenable number.

551324420497 is a deficient number, since it is larger than the sum of its proper divisors (29017074783).

551324420497 is a wasteful number, since it uses less digits than its factorization.

551324420497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29017074782.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 551324420497 in words is "five hundred fifty-one billion, three hundred twenty-four million, four hundred twenty thousand, four hundred ninety-seven".