1453623494 has 4 divisors (see below), whose sum is σ = 2180435244. Its totient is φ = 726811746.

The previous prime is 1453623487. The next prime is 1453623503. The reversal of 1453623494 is 4943263541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4943263541 = 41221 ⋅119921.

It is a super-2 number, since 2×1453623494² = 4226042524617536072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363405872 + ... + 363405875.

It is an arithmetic number, because the mean of its divisors is an integer number (545108811).

Almost surely, 2^1453623494 is an apocalyptic number.

1453623494 is a deficient number, since it is larger than the sum of its proper divisors (726811750).

1453623494 is an equidigital number, since it uses as much as digits as its factorization.

1453623494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726811749.

The product of its digits is 311040, while the sum is 41.

The square root of 1453623494 is about 38126.4146491642. The cubic root of 1453623494 is about 1132.7932291719.

The spelling of 1453623494 in words is "one billion, four hundred fifty-three million, six hundred twenty-three thousand, four hundred ninety-four".