6556046697 has 6 divisors (see below), whose sum is σ = 9469845242. Its totient is φ = 4370697792.

The previous prime is 6556046689. The next prime is 6556046711. The reversal of 6556046697 is 7966406556.

It can be written as a sum of positive squares in only one way, i.e., 6352727616 + 203319081 = 79704^2 + 14259^2 .

It is not a de Polignac number, because 6556046697 - 2³ = 6556046689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6556046297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364224808 + ... + 364224825.

Almost surely, 2^6556046697 is an apocalyptic number.

It is an amenable number.

6556046697 is a deficient number, since it is larger than the sum of its proper divisors (2913798545).

6556046697 is a wasteful number, since it uses less digits than its factorization.

6556046697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728449639 (or 728449636 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The square root of 6556046697 is about 80969.4182824602. The cubic root of 6556046697 is about 1871.6042071212.

The spelling of 6556046697 in words is "six billion, five hundred fifty-six million, forty-six thousand, six hundred ninety-seven".