6407055693 has 20 divisors (see below), whose sum is σ = 10134037980. Its totient is φ = 4020112512.

The previous prime is 6407055649. The next prime is 6407055731. The reversal of 6407055693 is 3965507046.

6407055693 is a `hidden beast` number, since 6 + 4 + 0 + 7 + 0 + 556 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1975091364 + 4431964329 = 44442^2 + 66573^2 .

It is not a de Polignac number, because 6407055693 - 2¹³ = 6407047501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6407055623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2325078 + ... + 2327831.

It is an arithmetic number, because the mean of its divisors is an integer number (506701899).

Almost surely, 2^6407055693 is an apocalyptic number.

It is an amenable number.

6407055693 is a deficient number, since it is larger than the sum of its proper divisors (3726982287).

6407055693 is a wasteful number, since it uses less digits than its factorization.

6407055693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4652938 (or 4652929 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 6407055693 is about 80044.0859339402. The cubic root of 6407055693 is about 1857.3175667419.

The spelling of 6407055693 in words is "six billion, four hundred seven million, fifty-five thousand, six hundred ninety-three".