67019653842 has 16 divisors (see below), whose sum is σ = 134185172160. Its totient is φ = 22315573872.

The previous prime is 67019653787. The next prime is 67019653859. The reversal of 67019653842 is 24835691076.

It is a super-2 number, since 2×67019653842² (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 7 ways as a sum of consecutive naturals, for example, 6071713 + ... + 6082740.

It is an arithmetic number, because the mean of its divisors is an integer number (8386573260).

It is a 1-persistent number, because it is pandigital, but 2⋅67019653842 = 134039307684 is not.

Almost surely, 2^67019653842 is an apocalyptic number.

67019653842 is an abundant number, since it is smaller than the sum of its proper divisors (67165518318).

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

67019653842 is a wasteful number, since it uses less digits than its factorization.

67019653842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155377.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 67019653842 in words is "sixty-seven billion, nineteen million, six hundred fifty-three thousand, eight hundred forty-two".