1453040331999 has 4 divisors (see below), whose sum is σ = 1937387109336. Its totient is φ = 968693554664.

The previous prime is 1453040331959. The next prime is 1453040332043. The reversal of 1453040331999 is 9991330403541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1453040331999 - 2⁷ = 1453040331871 is a prime.

It is a super-2 number, since 2×1453040331999² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453040331949) 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, 242173388664 + ... + 242173388669.

It is an arithmetic number, because the mean of its divisors is an integer number (484346777334).

Almost surely, 2^{1453040331999} is an apocalyptic number.

1453040331999 is a deficient number, since it is larger than the sum of its proper divisors (484346777337).

1453040331999 is an equidigital number, since it uses as much as digits as its factorization.

1453040331999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484346777336.

The product of its (nonzero) digits is 1574640, while the sum is 51.

The spelling of 1453040331999 in words is "one trillion, four hundred fifty-three billion, forty million, three hundred thirty-one thousand, nine hundred ninety-nine".