1456066916477 has 2 divisors, whose sum is σ = 1456066916478. Its totient is φ = 1456066916476.

The previous prime is 1456066916467. The next prime is 1456066916503. The reversal of 1456066916477 is 7746196606541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1443828140836 + 12238775641 = 1201594^2 + 110629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456066916477 - 2¹⁰ = 1456066915453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456066916407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728033458238 + 728033458239.

It is an arithmetic number, because the mean of its divisors is an integer number (728033458239).

Almost surely, 2^{1456066916477} is an apocalyptic number.

It is an amenable number.

1456066916477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456066916477 is an equidigital number, since it uses as much as digits as its factorization.

1456066916477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 1456066916477 in words is "one trillion, four hundred fifty-six billion, sixty-six million, nine hundred sixteen thousand, four hundred seventy-seven".