4085397453 has 4 divisors (see below), whose sum is σ = 5447196608. Its totient is φ = 2723598300.

The previous prime is 4085397451. The next prime is 4085397479. The reversal of 4085397453 is 3547935804.

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 not a de Polignac number, because 4085397453 - 2¹ = 4085397451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085397451) 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, 680899573 + ... + 680899578.

It is an arithmetic number, because the mean of its divisors is an integer number (1361799152).

Almost surely, 2^4085397453 is an apocalyptic number.

It is an amenable number.

4085397453 is a deficient number, since it is larger than the sum of its proper divisors (1361799155).

4085397453 is a wasteful number, since it uses less digits than its factorization.

4085397453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361799154.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 4085397453 is about 63917.1139289001. The cubic root of 4085397453 is about 1598.6182671284.

The spelling of 4085397453 in words is "four billion, eighty-five million, three hundred ninety-seven thousand, four hundred fifty-three".