1602454894393 has 2 divisors, whose sum is σ = 1602454894394. Its totient is φ = 1602454894392.

The previous prime is 1602454894379. The next prime is 1602454894507. The reversal of 1602454894393 is 3934984542061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1557371714809 + 45083179584 = 1247947^2 + 212328^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602454894393 - 2¹⁷ = 1602454763321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1602454894363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801227447196 + 801227447197.

It is an arithmetic number, because the mean of its divisors is an integer number (801227447197).

Almost surely, 2^{1602454894393} is an apocalyptic number.

It is an amenable number.

1602454894393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602454894393 is an equidigital number, since it uses as much as digits as its factorization.

1602454894393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 1602454894393 in words is "one trillion, six hundred two billion, four hundred fifty-four million, eight hundred ninety-four thousand, three hundred ninety-three".