1452404893 has 4 divisors (see below), whose sum is σ = 1463841280. Its totient is φ = 1440968508.

The previous prime is 1452404879. The next prime is 1452404927. The reversal of 1452404893 is 3984042541.

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: 3984042541 = 109 ⋅36550849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452404893 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 (1452404803) 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, 5718003 + ... + 5718256.

It is an arithmetic number, because the mean of its divisors is an integer number (365960320).

Almost surely, 2^1452404893 is an apocalyptic number.

It is an amenable number.

1452404893 is a deficient number, since it is larger than the sum of its proper divisors (11436387).

1452404893 is a wasteful number, since it uses less digits than its factorization.

1452404893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436386.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1452404893 is about 38110.4302389779. The cubic root of 1452404893 is about 1132.4765931029.

The spelling of 1452404893 in words is "one billion, four hundred fifty-two million, four hundred four thousand, eight hundred ninety-three".