1602454894429 has 4 divisors (see below), whose sum is σ = 1603401414076. Its totient is φ = 1601508374784.

The previous prime is 1602454894393. The next prime is 1602454894507. The reversal of 1602454894429 is 9244984542061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 520168385529 + 1082286508900 = 721227^2 + 1040330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602454894429 - 2⁹ = 1602454893917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602454094429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473257284 + ... + 473260669.

It is an arithmetic number, because the mean of its divisors is an integer number (400850353519).

Almost surely, 2^{1602454894429} is an apocalyptic number.

It is an amenable number.

1602454894429 is a deficient number, since it is larger than the sum of its proper divisors (946519647).

1602454894429 is an equidigital number, since it uses as much as digits as its factorization.

1602454894429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946519646.

The product of its (nonzero) digits is 19906560, while the sum is 58.

The spelling of 1602454894429 in words is "one trillion, six hundred two billion, four hundred fifty-four million, eight hundred ninety-four thousand, four hundred twenty-nine".