1453845669 has 4 divisors (see below), whose sum is σ = 1938460896. Its totient is φ = 969230444.

The previous prime is 1453845649. The next prime is 1453845671. The reversal of 1453845669 is 9665483541.

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 1453845669 - 2⁵ = 1453845637 is a prime.

It is a super-2 number, since 2×1453845669² = 4227334458540115122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453845649) 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, 242307609 + ... + 242307614.

It is an arithmetic number, because the mean of its divisors is an integer number (484615224).

Almost surely, 2^1453845669 is an apocalyptic number.

It is an amenable number.

1453845669 is a deficient number, since it is larger than the sum of its proper divisors (484615227).

1453845669 is an equidigital number, since it uses as much as digits as its factorization.

1453845669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484615226.

The product of its digits is 3110400, while the sum is 51.

The square root of 1453845669 is about 38129.3282002188. The cubic root of 1453845669 is about 1132.8509390983.

The spelling of 1453845669 in words is "one billion, four hundred fifty-three million, eight hundred forty-five thousand, six hundred sixty-nine".