68419190696 has 8 divisors (see below), whose sum is σ = 128285982570. Its totient is φ = 34209595344.

The previous prime is 68419190681. The next prime is 68419190699. The reversal of 68419190696 is 69609191486.

It can be written as a sum of positive squares in only one way, i.e., 60049502500 + 8369688196 = 245050^2 + 91486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×68419190696² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68419190699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4276199411 + ... + 4276199426.

Almost surely, 2^68419190696 is an apocalyptic number.

It is an amenable number.

68419190696 is a deficient number, since it is larger than the sum of its proper divisors (59866791874).

68419190696 is a wasteful number, since it uses less digits than its factorization.

68419190696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552398843 (or 8552398839 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 68419190696 in words is "sixty-eight billion, four hundred nineteen million, one hundred ninety thousand, six hundred ninety-six".