1452278923919 has 4 divisors (see below), whose sum is σ = 1462879500144. Its totient is φ = 1441678347696.

The previous prime is 1452278923897. The next prime is 1452278923937. The reversal of 1452278923919 is 9193298722541.

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 1452278923919 - 2¹² = 1452278919823 is a prime.

It is a super-4 number, since 4×1452278923919⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452278925919) 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 3 ways as a sum of consecutive naturals, for example, 5300287907 + ... + 5300288180.

It is an arithmetic number, because the mean of its divisors is an integer number (365719875036).

Almost surely, 2^{1452278923919} is an apocalyptic number.

1452278923919 is a deficient number, since it is larger than the sum of its proper divisors (10600576225).

1452278923919 is a wasteful number, since it uses less digits than its factorization.

1452278923919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600576224.

The product of its digits is 19595520, while the sum is 62.

The spelling of 1452278923919 in words is "one trillion, four hundred fifty-two billion, two hundred seventy-eight million, nine hundred twenty-three thousand, nine hundred nineteen".