68619899070 has 48 divisors (see below), whose sum is σ = 178732176480. Its totient is φ = 18265774272.

The previous prime is 68619899069. The next prime is 68619899071. The reversal of 68619899070 is 7099891686.

68619899070 is a `hidden beast` number, since 6 + 8 + 619 + 8 + 9 + 9 + 0 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (68619899069) and next prime (68619899071).

It is a junction number, because it is equal to n+sod(n) for n = 68619898989 and 68619899007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68619899071) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 634290 + ... + 734549.

It is an arithmetic number, because the mean of its divisors is an integer number (3723587010).

Almost surely, 2^68619899070 is an apocalyptic number.

68619899070 is an abundant number, since it is smaller than the sum of its proper divisors (110112277410).

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

68619899070 is a wasteful number, since it uses less digits than its factorization.

68619899070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369409 (or 1369406 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 68619899070 in words is "sixty-eight billion, six hundred nineteen million, eight hundred ninety-nine thousand, seventy".