1679398550542 has 32 divisors (see below), whose sum is σ = 2547870474240. Its totient is φ = 830176596480.

The previous prime is 1679398550539. The next prime is 1679398550573. The reversal of 1679398550542 is 2450558939761.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 46385667 + ... + 46421857.

It is an arithmetic number, because the mean of its divisors is an integer number (79620952320).

It is a 1-persistent number, because it is pandigital, but 2⋅1679398550542 = 3358797101084 is not.

Almost surely, 2^{1679398550542} is an apocalyptic number.

1679398550542 is a deficient number, since it is larger than the sum of its proper divisors (868471923698).

1679398550542 is a wasteful number, since it uses less digits than its factorization.

1679398550542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37128.

The product of its (nonzero) digits is 81648000, while the sum is 64.

The spelling of 1679398550542 in words is "one trillion, six hundred seventy-nine billion, three hundred ninety-eight million, five hundred fifty thousand, five hundred forty-two".