6919406083820 has 24 divisors (see below), whose sum is σ = 14768961840528. Its totient is φ = 2722389278400.

The previous prime is 6919406083787. The next prime is 6919406083831. The reversal of 6919406083820 is 283806049196.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2835820946 + ... + 2835823385.

It is an arithmetic number, because the mean of its divisors is an integer number (615373410022).

Almost surely, 2^{6919406083820} is an apocalyptic number.

It is an amenable number.

6919406083820 is an abundant number, since it is smaller than the sum of its proper divisors (7849555756708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6919406083820 is a wasteful number, since it uses less digits than its factorization.

6919406083820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671644401 (or 5671644399 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 6919406083820 in words is "six trillion, nine hundred nineteen billion, four hundred six million, eighty-three thousand, eight hundred twenty".