454095561781 has 4 divisors (see below), whose sum is σ = 454106440512. Its totient is φ = 454084683052.

The previous prime is 454095561713. The next prime is 454095561811. The reversal of 454095561781 is 187165590454.

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 454095561781 - 2¹⁹ = 454095037493 is a prime.

It is a super-2 number, since 2×454095561781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454095561701) 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 3 ways as a sum of consecutive naturals, for example, 5376511 + ... + 5460316.

It is an arithmetic number, because the mean of its divisors is an integer number (113526610128).

Almost surely, 2^454095561781 is an apocalyptic number.

It is an amenable number.

454095561781 is a deficient number, since it is larger than the sum of its proper divisors (10878731).

454095561781 is a wasteful number, since it uses less digits than its factorization.

454095561781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878730.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 454095561781 in words is "four hundred fifty-four billion, ninety-five million, five hundred sixty-one thousand, seven hundred eighty-one".