454691093 has 4 divisors (see below), whose sum is σ = 455825388. Its totient is φ = 453556800.

The previous prime is 454691063. The next prime is 454691099. The reversal of 454691093 is 390196454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390196454 = 2 ⋅195098227.

It can be written as a sum of positive squares in 2 ways, for example, as 259306609 + 195384484 = 16103^2 + 13978^2 .

It is a cyclic number.

It is not a de Polignac number, because 454691093 - 2¹⁰ = 454690069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454691093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454691099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566546 + ... + 567347.

It is an arithmetic number, because the mean of its divisors is an integer number (113956347).

Almost surely, 2^454691093 is an apocalyptic number.

It is an amenable number.

454691093 is a deficient number, since it is larger than the sum of its proper divisors (1134295).

454691093 is a wasteful number, since it uses less digits than its factorization.

454691093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134294.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 454691093 is about 21323.4868865296. The cubic root of 454691093 is about 768.9630687254.

The spelling of 454691093 in words is "four hundred fifty-four million, six hundred ninety-one thousand, ninety-three".