67141967931 has 32 divisors (see below), whose sum is σ = 103814784000. Its totient is φ = 42806738304.

The previous prime is 67141967927. The next prime is 67141967957. The reversal of 67141967931 is 13976914176.

It is not a de Polignac number, because 67141967931 - 2² = 67141967927 is a prime.

It is a super-2 number, since 2×67141967931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67141967131) 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 31 ways as a sum of consecutive naturals, for example, 5190690 + ... + 5203608.

It is an arithmetic number, because the mean of its divisors is an integer number (3244212000).

Almost surely, 2^67141967931 is an apocalyptic number.

67141967931 is a deficient number, since it is larger than the sum of its proper divisors (36672816069).

67141967931 is a wasteful number, since it uses less digits than its factorization.

67141967931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21320 (or 21314 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The spelling of 67141967931 in words is "sixty-seven billion, one hundred forty-one million, nine hundred sixty-seven thousand, nine hundred thirty-one".