67814488412 has 12 divisors (see below), whose sum is σ = 129464023416. Its totient is φ = 30824767440.

The previous prime is 67814488411. The next prime is 67814488421. The reversal of 67814488412 is 21488441876.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67814488411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770619143 + ... + 770619230.

It is an arithmetic number, because the mean of its divisors is an integer number (10788668618).

Almost surely, 2^67814488412 is an apocalyptic number.

It is an amenable number.

67814488412 is a deficient number, since it is larger than the sum of its proper divisors (61649535004).

67814488412 is a wasteful number, since it uses less digits than its factorization.

67814488412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541238388 (or 1541238386 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 53.

The spelling of 67814488412 in words is "sixty-seven billion, eight hundred fourteen million, four hundred eighty-eight thousand, four hundred twelve".