8407449853 has 4 divisors (see below), whose sum is σ = 9171763488. Its totient is φ = 7643136220.

The previous prime is 8407449847. The next prime is 8407449863. The reversal of 8407449853 is 3589447048.

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 a de Polignac number, because none of the positive numbers 2^k-8407449853 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 8407449853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8407449823) 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, 382156801 + ... + 382156822.

It is an arithmetic number, because the mean of its divisors is an integer number (2292940872).

Almost surely, 2^8407449853 is an apocalyptic number.

It is an amenable number.

8407449853 is a deficient number, since it is larger than the sum of its proper divisors (764313635).

8407449853 is a wasteful number, since it uses less digits than its factorization.

8407449853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764313634.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The square root of 8407449853 is about 91692.1471719362. The cubic root of 8407449853 is about 2033.3934887127.

The spelling of 8407449853 in words is "eight billion, four hundred seven million, four hundred forty-nine thousand, eight hundred fifty-three".