67965041261 has 16 divisors (see below), whose sum is σ = 74505876480. Its totient is φ = 61621084800.

The previous prime is 67965041233. The next prime is 67965041273. The reversal of 67965041261 is 16214056976.

It is a cyclic number.

It is not a de Polignac number, because 67965041261 - 2⁶ = 67965041197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67965040261) 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 15 ways as a sum of consecutive naturals, for example, 19805 + ... + 369218.

It is an arithmetic number, because the mean of its divisors is an integer number (4656617280).

Almost surely, 2^67965041261 is an apocalyptic number.

It is an amenable number.

67965041261 is a deficient number, since it is larger than the sum of its proper divisors (6540835219).

67965041261 is a wasteful number, since it uses less digits than its factorization.

67965041261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389276.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 67965041261 in words is "sixty-seven billion, nine hundred sixty-five million, forty-one thousand, two hundred sixty-one".