1405453641602 has 4 divisors (see below), whose sum is σ = 2108180462406. Its totient is φ = 702726820800.

The previous prime is 1405453641601. The next prime is 1405453641607. The reversal of 1405453641602 is 2061463545041.

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

It can be written as a sum of positive squares in only one way, i.e., 1218906529681 + 186547111921 = 1104041^2 + 431911^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1405453641602.

It is not an unprimeable number, because it can be changed into a prime (1405453641601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351363410399 + ... + 351363410402.

Almost surely, 2^{1405453641602} is an apocalyptic number.

1405453641602 is a deficient number, since it is larger than the sum of its proper divisors (702726820804).

1405453641602 is an equidigital number, since it uses as much as digits as its factorization.

1405453641602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702726820803.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 1405453641602 in words is "one trillion, four hundred five billion, four hundred fifty-three million, six hundred forty-one thousand, six hundred two".