6995920386 has 64 divisors (see below), whose sum is σ = 17814585600. Its totient is φ = 1781450496.

The previous prime is 6995920369. The next prime is 6995920397. The reversal of 6995920386 is 6830295996.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205081 + ... + 236748.

It is an arithmetic number, because the mean of its divisors is an integer number (278352900).

Almost surely, 2^6995920386 is an apocalyptic number.

6995920386 is an abundant number, since it is smaller than the sum of its proper divisors (10818665214).

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

6995920386 is a wasteful number, since it uses less digits than its factorization.

6995920386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441883.

The product of its (nonzero) digits is 6298560, while the sum is 57.

The square root of 6995920386 is about 83641.6187433027. The cubic root of 6995920386 is about 1912.5594905156.

The spelling of 6995920386 in words is "six billion, nine hundred ninety-five million, nine hundred twenty thousand, three hundred eighty-six".