6423920000155 has 16 divisors (see below), whose sum is σ = 8842698175680. Its totient is φ = 4388598340992.

The previous prime is 6423920000153. The next prime is 6423920000161. The reversal of 6423920000155 is 5510000293246.

It is a cyclic number.

It is not a de Polignac number, because 6423920000155 - 2¹ = 6423920000153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6423920000153) 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, 341144064 + ... + 341162893.

It is an arithmetic number, because the mean of its divisors is an integer number (552668635980).

Almost surely, 2^{6423920000155} is an apocalyptic number.

6423920000155 is a deficient number, since it is larger than the sum of its proper divisors (2418778175525).

6423920000155 is a wasteful number, since it uses less digits than its factorization.

6423920000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682307238.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 6423920000155 in words is "six trillion, four hundred twenty-three billion, nine hundred twenty million, one hundred fifty-five", and thus it is an aban number.