67920813498 has 32 divisors (see below), whose sum is σ = 137261814912. Its totient is φ = 22404211200.

The previous prime is 67920813479. The next prime is 67920813509. The reversal of 67920813498 is 89431802976.

It is a super-2 number, since 2×67920813498² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348438 + ... + 507198.

It is an arithmetic number, because the mean of its divisors is an integer number (4289431716).

Almost surely, 2^67920813498 is an apocalyptic number.

67920813498 is an abundant number, since it is smaller than the sum of its proper divisors (69341001414).

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

67920813498 is a wasteful number, since it uses less digits than its factorization.

67920813498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159510.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 67920813498 in words is "sixty-seven billion, nine hundred twenty million, eight hundred thirteen thousand, four hundred ninety-eight".