1457918566073 has 6 divisors (see below), whose sum is σ = 1489598102586. Its totient is φ = 1426899019952.

The previous prime is 1457918566061. The next prime is 1457918566099. The reversal of 1457918566073 is 3706658197541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 972685117504 + 485233448569 = 986248^2 + 696587^2 .

It is not a de Polignac number, because 1457918566073 - 2²⁸ = 1457650130617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1457918565997 and 1457918566015.

It is not an unprimeable number, because it can be changed into a prime (1457918565073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329992940 + ... + 329997357.

It is an arithmetic number, because the mean of its divisors is an integer number (248266350431).

Almost surely, 2^{1457918566073} is an apocalyptic number.

It is an amenable number.

1457918566073 is a deficient number, since it is larger than the sum of its proper divisors (31679536513).

1457918566073 is an frugal number, since it uses more digits than its factorization.

1457918566073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659990391 (or 659990344 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 1457918566073 in words is "one trillion, four hundred fifty-seven billion, nine hundred eighteen million, five hundred sixty-six thousand, seventy-three".