6957404394 has 16 divisors (see below), whose sum is σ = 14733327168. Its totient is φ = 2182715072.

The previous prime is 6957404383. The next prime is 6957404423. The reversal of 6957404394 is 4934047596.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34104822 + ... + 34105025.

It is an arithmetic number, because the mean of its divisors is an integer number (920832948).

Almost surely, 2^6957404394 is an apocalyptic number.

6957404394 is an abundant number, since it is smaller than the sum of its proper divisors (7775922774).

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

6957404394 is a wasteful number, since it uses less digits than its factorization.

6957404394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68209869.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The square root of 6957404394 is about 83411.0567850570. The cubic root of 6957404394 is about 1909.0431684904.

The spelling of 6957404394 in words is "six billion, nine hundred fifty-seven million, four hundred four thousand, three hundred ninety-four".