551972732847 has 8 divisors (see below), whose sum is σ = 735975030960. Its totient is φ = 367976128320.

The previous prime is 551972732809. The next prime is 551972732851. The reversal of 551972732847 is 748237279155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551972732847 - 2¹⁸ = 551972470703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551972772847) 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 7 ways as a sum of consecutive naturals, for example, 1191804 + ... + 1588817.

It is an arithmetic number, because the mean of its divisors is an integer number (91996878870).

Almost surely, 2^551972732847 is an apocalyptic number.

551972732847 is a deficient number, since it is larger than the sum of its proper divisors (184002298113).

551972732847 is a wasteful number, since it uses less digits than its factorization.

551972732847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846793.

The product of its digits is 29635200, while the sum is 60.

The spelling of 551972732847 in words is "five hundred fifty-one billion, nine hundred seventy-two million, seven hundred thirty-two thousand, eight hundred forty-seven".