551444242451 has 4 divisors (see below), whose sum is σ = 551446952304. Its totient is φ = 551441532600.

The previous prime is 551444242429. The next prime is 551444242501. The reversal of 551444242451 is 154242444155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551444242451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551444242399 and 551444242408.

It is not an unprimeable number, because it can be changed into a prime (551444244451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022495 + ... + 1465736.

It is an arithmetic number, because the mean of its divisors is an integer number (137861738076).

Almost surely, 2^551444242451 is an apocalyptic number.

551444242451 is a deficient number, since it is larger than the sum of its proper divisors (2709853).

551444242451 is a wasteful number, since it uses less digits than its factorization.

551444242451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709852.

The product of its digits is 512000, while the sum is 41.

The spelling of 551444242451 in words is "five hundred fifty-one billion, four hundred forty-four million, two hundred forty-two thousand, four hundred fifty-one".