67468849971 has 32 divisors (see below), whose sum is σ = 90941337600. Its totient is φ = 44491628160.

The previous prime is 67468849967. The next prime is 67468849979. The reversal of 67468849971 is 17994886476.

It is not a de Polignac number, because 67468849971 - 2² = 67468849967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67468849896 and 67468849905.

It is not an unprimeable number, because it can be changed into a prime (67468849979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138539490 + ... + 138539976.

It is an arithmetic number, because the mean of its divisors is an integer number (2841916800).

Almost surely, 2^67468849971 is an apocalyptic number.

67468849971 is a deficient number, since it is larger than the sum of its proper divisors (23472487629).

67468849971 is a wasteful number, since it uses less digits than its factorization.

67468849971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619.

The product of its digits is 146313216, while the sum is 69.

The spelling of 67468849971 in words is "sixty-seven billion, four hundred sixty-eight million, eight hundred forty-nine thousand, nine hundred seventy-one".