68819691122 has 32 divisors (see below), whose sum is σ = 127831251072. Its totient is φ = 27058333824.

The previous prime is 68819691121. The next prime is 68819691131. The reversal of 68819691122 is 22119691886.

It is a super-2 number, since 2×68819691122² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68819691121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1130243 + ... + 1189574.

It is an arithmetic number, because the mean of its divisors is an integer number (3994726596).

Almost surely, 2^68819691122 is an apocalyptic number.

68819691122 is a deficient number, since it is larger than the sum of its proper divisors (59011559950).

68819691122 is a wasteful number, since it uses less digits than its factorization.

68819691122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320002.

The product of its digits is 746496, while the sum is 53.

The spelling of 68819691122 in words is "sixty-eight billion, eight hundred nineteen million, six hundred ninety-one thousand, one hundred twenty-two".