67820334410913 has 16 divisors (see below), whose sum is σ = 103524379424640. Its totient is φ = 38687311328256.

The previous prime is 67820334410911. The next prime is 67820334410947. The reversal of 67820334410913 is 31901443302876.

It is not a de Polignac number, because 67820334410913 - 2¹ = 67820334410911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67820334410911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2798549178 + ... + 2798573411.

It is an arithmetic number, because the mean of its divisors is an integer number (6470273714040).

Almost surely, 2^{67820334410913} is an apocalyptic number.

It is an amenable number.

67820334410913 is a deficient number, since it is larger than the sum of its proper divisors (35704045013727).

67820334410913 is a wasteful number, since it uses less digits than its factorization.

67820334410913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597123176.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 67820334410913 in words is "sixty-seven trillion, eight hundred twenty billion, three hundred thirty-four million, four hundred ten thousand, nine hundred thirteen".