1491414453 has 12 divisors (see below), whose sum is σ = 2154690720. Its totient is φ = 994079976.

The previous prime is 1491414413. The next prime is 1491414493. The reversal of 1491414453 is 3544141941.

It is an interprime number because it is at equal distance from previous prime (1491414413) and next prime (1491414493).

It is not a de Polignac number, because 1491414453 - 2²² = 1487220149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1491414413) 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 11 ways as a sum of consecutive naturals, for example, 43138 + ... + 69596.

It is an arithmetic number, because the mean of its divisors is an integer number (179557560).

Almost surely, 2^1491414453 is an apocalyptic number.

It is an amenable number.

1491414453 is a deficient number, since it is larger than the sum of its proper divisors (663276267).

1491414453 is a wasteful number, since it uses less digits than its factorization.

1491414453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32728 (or 32725 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 1491414453 is about 38618.8354692370. The cubic root of 1491414453 is about 1142.5260628612.

The spelling of 1491414453 in words is "one billion, four hundred ninety-one million, four hundred fourteen thousand, four hundred fifty-three".