6899920103423 has 2 divisors, whose sum is σ = 6899920103424. Its totient is φ = 6899920103422.

The previous prime is 6899920103399. The next prime is 6899920103513. The reversal of 6899920103423 is 3243010299986.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6899920103423 - 2³⁶ = 6831200626687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6899920103123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3449960051711 + 3449960051712.

It is an arithmetic number, because the mean of its divisors is an integer number (3449960051712).

Almost surely, 2^{6899920103423} is an apocalyptic number.

6899920103423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6899920103423 is an equidigital number, since it uses as much as digits as its factorization.

6899920103423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 56.

The spelling of 6899920103423 in words is "six trillion, eight hundred ninety-nine billion, nine hundred twenty million, one hundred three thousand, four hundred twenty-three".