1452718856642 has 8 divisors (see below), whose sum is σ = 2179091897100. Its totient is φ = 726354890944.

The previous prime is 1452718856627. The next prime is 1452718856663. The reversal of 1452718856642 is 2466588172541.

It can be written as a sum of positive squares in 2 ways, for example, as 1446658078441 + 6060778201 = 1202771^2 + 77851^2 .

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

It is a super-2 number, since 2×1452718856642² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853267 + ... + 2517942.

Almost surely, 2^{1452718856642} is an apocalyptic number.

1452718856642 is a deficient number, since it is larger than the sum of its proper divisors (726373040458).

1452718856642 is a wasteful number, since it uses less digits than its factorization.

1452718856642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537380.

The product of its digits is 25804800, while the sum is 59.

The spelling of 1452718856642 in words is "one trillion, four hundred fifty-two billion, seven hundred eighteen million, eight hundred fifty-six thousand, six hundred forty-two".