1428715866733 has 2 divisors, whose sum is σ = 1428715866734. Its totient is φ = 1428715866732.

The previous prime is 1428715866667. The next prime is 1428715866827. The reversal of 1428715866733 is 3376685178241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188540400804 + 240175465929 = 1090202^2 + 490077^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428715866733 - 2²⁹ = 1428178995821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428715866533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714357933366 + 714357933367.

It is an arithmetic number, because the mean of its divisors is an integer number (714357933367).

Almost surely, 2^{1428715866733} is an apocalyptic number.

It is an amenable number.

1428715866733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428715866733 is an equidigital number, since it uses as much as digits as its factorization.

1428715866733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 61.

The spelling of 1428715866733 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifteen million, eight hundred sixty-six thousand, seven hundred thirty-three".