551679042973 has 2 divisors, whose sum is σ = 551679042974. Its totient is φ = 551679042972.

The previous prime is 551679042877. The next prime is 551679042979. The reversal of 551679042973 is 379240976155.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470318896804 + 81360146169 = 685798^2 + 285237^2 .

It is a cyclic number.

It is not a de Polignac number, because 551679042973 - 2³³ = 543089108381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551679042979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275839521486 + 275839521487.

It is an arithmetic number, because the mean of its divisors is an integer number (275839521487).

Almost surely, 2^551679042973 is an apocalyptic number.

It is an amenable number.

551679042973 is a deficient number, since it is larger than the sum of its proper divisors (1).

551679042973 is an equidigital number, since it uses as much as digits as its factorization.

551679042973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14288400, while the sum is 58.

The spelling of 551679042973 in words is "five hundred fifty-one billion, six hundred seventy-nine million, forty-two thousand, nine hundred seventy-three".