67246136941 has 4 divisors (see below), whose sum is σ = 67841235612. Its totient is φ = 66651038272.

The previous prime is 67246136939. The next prime is 67246136977. The reversal of 67246136941 is 14963164276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24202336041 + 43043800900 = 155571^2 + 207470^2 .

It is a cyclic number.

It is not a de Polignac number, because 67246136941 - 2¹ = 67246136939 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 (67246136911) 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, 297549166 + ... + 297549391.

It is an arithmetic number, because the mean of its divisors is an integer number (16960308903).

Almost surely, 2^67246136941 is an apocalyptic number.

It is an amenable number.

67246136941 is a deficient number, since it is larger than the sum of its proper divisors (595098671).

67246136941 is a wasteful number, since it uses less digits than its factorization.

67246136941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595098670.

The product of its digits is 1306368, while the sum is 49.

The spelling of 67246136941 in words is "sixty-seven billion, two hundred forty-six million, one hundred thirty-six thousand, nine hundred forty-one".