1451083493 has 4 divisors (see below), whose sum is σ = 1452083628. Its totient is φ = 1450083360.

The previous prime is 1451083489. The next prime is 1451083531. The reversal of 1451083493 is 3943801541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3943801541 = 151 ⋅26117891.

It can be written as a sum of positive squares in 2 ways, for example, as 970509409 + 480574084 = 31153^2 + 21922^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451083493 - 2² = 1451083489 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 (1451083483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497888 + ... + 500793.

It is an arithmetic number, because the mean of its divisors is an integer number (363020907).

Almost surely, 2^1451083493 is an apocalyptic number.

It is an amenable number.

1451083493 is a deficient number, since it is larger than the sum of its proper divisors (1000135).

1451083493 is an equidigital number, since it uses as much as digits as its factorization.

1451083493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000134.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1451083493 is about 38093.0898326718. The cubic root of 1451083493 is about 1132.1330459666.

The spelling of 1451083493 in words is "one billion, four hundred fifty-one million, eighty-three thousand, four hundred ninety-three".