104521406663442 has 32 divisors (see below), whose sum is σ = 223370086579200. Its totient is φ = 32490194404608.

The previous prime is 104521406663419. The next prime is 104521406663447. The reversal of 104521406663442 is 244366604125401.

It is a junction number, because it is equal to n+sod(n) for n = 104521406663391 and 104521406663400.

It is not an unprimeable number, because it can be changed into a prime (104521406663447) 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 15 ways as a sum of consecutive naturals, for example, 4700537842 + ... + 4700560077.

It is an arithmetic number, because the mean of its divisors is an integer number (6980315205600).

Almost surely, 2^{104521406663442} is an apocalyptic number.

104521406663442 is an abundant number, since it is smaller than the sum of its proper divisors (118848679915758).

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

104521406663442 is a wasteful number, since it uses less digits than its factorization.

104521406663442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401098050.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 104521406663442 in words is "one hundred four trillion, five hundred twenty-one billion, four hundred six million, six hundred sixty-three thousand, four hundred forty-two".