3421243005402 has 16 divisors (see below), whose sum is σ = 7078433804640. Its totient is φ = 1101089702832.

The previous prime is 3421243005361. The next prime is 3421243005409. The reversal of 3421243005402 is 2045003421243.

It is a self number, because there is not a number n which added to its sum of digits gives 3421243005402.

It is not an unprimeable number, because it can be changed into a prime (3421243005409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9831157888 + ... + 9831158235.

It is an arithmetic number, because the mean of its divisors is an integer number (442402112790).

Almost surely, 2^{3421243005402} is an apocalyptic number.

3421243005402 is an abundant number, since it is smaller than the sum of its proper divisors (3657190799238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3421243005402 is a wasteful number, since it uses less digits than its factorization.

3421243005402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19662316157.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 3421243005402 its reverse (2045003421243), we get a palindrome (5466246426645).

The spelling of 3421243005402 in words is "three trillion, four hundred twenty-one billion, two hundred forty-three million, five thousand, four hundred two".