854454565454551 has 2 divisors, whose sum is σ = 854454565454552. Its totient is φ = 854454565454550.

The previous prime is 854454565454429. The next prime is 854454565454573. The reversal of 854454565454551 is 155454565454458.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854454565454551 - 2¹⁵ = 854454565421783 is a prime.

It is a super-2 number, since 2×854454565454551² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854454565454591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427227282727275 + 427227282727276.

It is an arithmetic number, because the mean of its divisors is an integer number (427227282727276).

Almost surely, 2^{854454565454551} is an apocalyptic number.

854454565454551 is a deficient number, since it is larger than the sum of its proper divisors (1).

854454565454551 is an equidigital number, since it uses as much as digits as its factorization.

854454565454551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840000000, while the sum is 70.

The spelling of 854454565454551 in words is "eight hundred fifty-four trillion, four hundred fifty-four billion, five hundred sixty-five million, four hundred fifty-four thousand, five hundred fifty-one".