1453881609 has 16 divisors (see below), whose sum is σ = 2155708800. Its totient is φ = 968439888.

The previous prime is 1453881601. The next prime is 1453881613. The reversal of 1453881609 is 9061883541.

1453881609 is a `hidden beast` number, since 1 + 4 + 5 + 38 + 8 + 1 + 609 = 666.

It is not a de Polignac number, because 1453881609 - 2³ = 1453881601 is a prime.

It is a super-2 number, since 2×1453881609² = 4227543465976857762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453881601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11007 + ... + 55035.

It is an arithmetic number, because the mean of its divisors is an integer number (134731800).

Almost surely, 2^1453881609 is an apocalyptic number.

It is an amenable number.

1453881609 is a deficient number, since it is larger than the sum of its proper divisors (701827191).

1453881609 is a wasteful number, since it uses less digits than its factorization.

1453881609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45261 (or 45255 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1453881609 is about 38129.7994880645. The cubic root of 1453881609 is about 1132.8602739560.

The spelling of 1453881609 in words is "one billion, four hundred fifty-three million, eight hundred eighty-one thousand, six hundred nine".