450686461 has 4 divisors (see below), whose sum is σ = 454898592. Its totient is φ = 446474332.

The previous prime is 450686443. The next prime is 450686503. The reversal of 450686461 is 164686054.

It is a happy number.

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 450686461 - 2¹¹ = 450684413 is a prime.

It is a super-2 number, since 2×450686461² = 406236572257409042, which 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 (450686261) 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, 2105905 + ... + 2106118.

It is an arithmetic number, because the mean of its divisors is an integer number (113724648).

Almost surely, 2^450686461 is an apocalyptic number.

It is an amenable number.

450686461 is a deficient number, since it is larger than the sum of its proper divisors (4212131).

450686461 is a wasteful number, since it uses less digits than its factorization.

450686461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212130.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 450686461 is about 21229.3773106985. The cubic root of 450686461 is about 766.6988948225.

It can be divided in two parts, 45068 and 6461, that added together give a square (51529 = 227²).

The spelling of 450686461 in words is "four hundred fifty million, six hundred eighty-six thousand, four hundred sixty-one".