1457444462993 has 2 divisors, whose sum is σ = 1457444462994. Its totient is φ = 1457444462992.

The previous prime is 1457444462989. The next prime is 1457444463037. The reversal of 1457444462993 is 3992644447541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 945966321664 + 511478141329 = 972608^2 + 715177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457444462993 - 2² = 1457444462989 is a prime.

It is not a weakly prime, because it can be changed into another prime (1457444462933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728722231496 + 728722231497.

It is an arithmetic number, because the mean of its divisors is an integer number (728722231497).

Almost surely, 2^{1457444462993} is an apocalyptic number.

It is an amenable number.

1457444462993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457444462993 is an equidigital number, since it uses as much as digits as its factorization.

1457444462993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 62.

The spelling of 1457444462993 in words is "one trillion, four hundred fifty-seven billion, four hundred forty-four million, four hundred sixty-two thousand, nine hundred ninety-three".