454635613 has 4 divisors (see below), whose sum is σ = 466923100. Its totient is φ = 442348128.

The previous prime is 454635611. The next prime is 454635637. The reversal of 454635613 is 316536454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 272844324 + 181791289 = 16518^2 + 13483^2 .

It is a cyclic number.

It is not a de Polignac number, because 454635613 - 2¹ = 454635611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 12287449 = 454635613 / (4 + 5 + 4 + 6 + 3 + 5 + 6 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454635611) 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, 6143688 + ... + 6143761.

It is an arithmetic number, because the mean of its divisors is an integer number (116730775).

Almost surely, 2^454635613 is an apocalyptic number.

It is an amenable number.

454635613 is a deficient number, since it is larger than the sum of its proper divisors (12287487).

454635613 is a wasteful number, since it uses less digits than its factorization.

454635613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287486.

The product of its digits is 129600, while the sum is 37.

The square root of 454635613 is about 21322.1859339046. The cubic root of 454635613 is about 768.9317919553.

It can be divided in two parts, 45463 and 5613, that added together give a square (51076 = 226²).

The spelling of 454635613 in words is "four hundred fifty-four million, six hundred thirty-five thousand, six hundred thirteen".