6709381794 has 20 divisors (see below), whose sum is σ = 15033985494. Its totient is φ = 2236460544.

The previous prime is 6709381771. The next prime is 6709381799. The reversal of 6709381794 is 4971839076.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5804154225 + 905227569 = 76185^2 + 30087^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6709381794.

It is not an unprimeable number, because it can be changed into a prime (6709381799) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20707807 + ... + 20708130.

Almost surely, 2^6709381794 is an apocalyptic number.

6709381794 is an abundant number, since it is smaller than the sum of its proper divisors (8324603700).

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

6709381794 is a wasteful number, since it uses less digits than its factorization.

6709381794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41415951 (or 41415942 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 6709381794 is about 81910.8160989744. The cubic root of 6709381794 is about 1886.0831505836.

The spelling of 6709381794 in words is "six billion, seven hundred nine million, three hundred eighty-one thousand, seven hundred ninety-four".