6290394661 has 8 divisors (see below), whose sum is σ = 6301411200. Its totient is φ = 6279389952.

The previous prime is 6290394659. The next prime is 6290394673. The reversal of 6290394661 is 1664930926.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6290394661 - 2¹ = 6290394659 is a prime.

It is a super-2 number, since 2×6290394661² = 79138129982274609842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6290394631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329290 + ... + 2331988.

It is an arithmetic number, because the mean of its divisors is an integer number (787676400).

Almost surely, 2^6290394661 is an apocalyptic number.

It is an amenable number.

6290394661 is a deficient number, since it is larger than the sum of its proper divisors (11016539).

6290394661 is a wasteful number, since it uses less digits than its factorization.

6290394661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 6290394661 is about 79312.0083026524. The cubic root of 6290394661 is about 1845.9756358523.

The spelling of 6290394661 in words is "six billion, two hundred ninety million, three hundred ninety-four thousand, six hundred sixty-one".