6423540297 has 8 divisors (see below), whose sum is σ = 8565728544. Its totient is φ = 4281856128.

The previous prime is 6423540229. The next prime is 6423540317. The reversal of 6423540297 is 7920453246.

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

It is not a de Polignac number, because 6423540297 - 2⁷ = 6423540169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6423542297) 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, 95208 + ... + 148025.

It is an arithmetic number, because the mean of its divisors is an integer number (1070716068).

Almost surely, 2^6423540297 is an apocalyptic number.

It is an amenable number.

6423540297 is a deficient number, since it is larger than the sum of its proper divisors (2142188247).

6423540297 is a wasteful number, since it uses less digits than its factorization.

6423540297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252039.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 6423540297 is about 80146.9918150394. The cubic root of 6423540297 is about 1858.9090894534.

The spelling of 6423540297 in words is "six billion, four hundred twenty-three million, five hundred forty thousand, two hundred ninety-seven".