421078633594 has 16 divisors (see below), whose sum is σ = 667422385920. Its totient is φ = 198836249040.

The previous prime is 421078633589. The next prime is 421078633601. The reversal of 421078633594 is 495336870124.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57932337 + ... + 57939604.

It is an arithmetic number, because the mean of its divisors is an integer number (41713899120).

It is a 1-persistent number, because it is pandigital, but 2⋅421078633594 = 842157267188 is not.

Almost surely, 2^421078633594 is an apocalyptic number.

421078633594 is a deficient number, since it is larger than the sum of its proper divisors (246343752326).

421078633594 is a wasteful number, since it uses less digits than its factorization.

421078633594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115872045.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 421078633594 in words is "four hundred twenty-one billion, seventy-eight million, six hundred thirty-three thousand, five hundred ninety-four".