1453540971899 has 8 divisors (see below), whose sum is σ = 1473520773120. Its totient is φ = 1433563016256.

The previous prime is 1453540971893. The next prime is 1453540971901. The reversal of 1453540971899 is 9981790453541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1453540971899 - 2²⁰ = 1453539923323 is a prime.

It is a super-2 number, since 2×1453540971899² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1453540971893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163654 + ... + 2064260.

It is an arithmetic number, because the mean of its divisors is an integer number (184190096640).

Almost surely, 2^{1453540971899} is an apocalyptic number.

1453540971899 is a deficient number, since it is larger than the sum of its proper divisors (19979801221).

1453540971899 is an equidigital number, since it uses as much as digits as its factorization.

1453540971899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922789.

The product of its (nonzero) digits is 48988800, while the sum is 65.

The spelling of 1453540971899 in words is "one trillion, four hundred fifty-three billion, five hundred forty million, nine hundred seventy-one thousand, eight hundred ninety-nine".