1453449093 has 4 divisors (see below), whose sum is σ = 1937932128. Its totient is φ = 968966060.

The previous prime is 1453449091. The next prime is 1453449131. The reversal of 1453449093 is 3909443541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3909443541 = 3 ⋅1303147847.

It is a cyclic number.

It is not a de Polignac number, because 1453449093 - 2¹ = 1453449091 is a prime.

It is a super-2 number, since 2×1453449093² = 4225028531885045298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453449091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242241513 + ... + 242241518.

It is an arithmetic number, because the mean of its divisors is an integer number (484483032).

Almost surely, 2^1453449093 is an apocalyptic number.

It is an amenable number.

1453449093 is a deficient number, since it is larger than the sum of its proper divisors (484483035).

1453449093 is an equidigital number, since it uses as much as digits as its factorization.

1453449093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484483034.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 1453449093 is about 38124.1274391952. The cubic root of 1453449093 is about 1132.7479244159.

The spelling of 1453449093 in words is "one billion, four hundred fifty-three million, four hundred forty-nine thousand, ninety-three".