1453995493 has 2 divisors, whose sum is σ = 1453995494. Its totient is φ = 1453995492.

The previous prime is 1453995467. The next prime is 1453995503. The reversal of 1453995493 is 3945993541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1383988804 + 70006689 = 37202^2 + 8367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453995493 - 2²¹ = 1451898341 is a prime.

It is a super-2 number, since 2×1453995493² = 4228205787328626098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453995493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453995793) 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 as a sum of consecutive naturals, namely, 726997746 + 726997747.

It is an arithmetic number, because the mean of its divisors is an integer number (726997747).

Almost surely, 2^1453995493 is an apocalyptic number.

It is an amenable number.

1453995493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453995493 is an equidigital number, since it uses as much as digits as its factorization.

1453995493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 52.

The square root of 1453995493 is about 38131.2928314790. The cubic root of 1453995493 is about 1132.8898525430.

The spelling of 1453995493 in words is "one billion, four hundred fifty-three million, nine hundred ninety-five thousand, four hundred ninety-three".