6254400509 has 8 divisors (see below), whose sum is σ = 7234006080. Its totient is φ = 5296324896.

The previous prime is 6254400379. The next prime is 6254400541. The reversal of 6254400509 is 9050044526.

It is a happy number.

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 6254400509 - 2¹⁶ = 6254334973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6254400109) 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, 5381864 + ... + 5383025.

It is an arithmetic number, because the mean of its divisors is an integer number (904250760).

Almost surely, 2^6254400509 is an apocalyptic number.

It is an amenable number.

6254400509 is a deficient number, since it is larger than the sum of its proper divisors (979605571).

6254400509 is a wasteful number, since it uses less digits than its factorization.

6254400509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10764979.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 6254400509 is about 79084.7678696726. The cubic root of 6254400509 is about 1842.4479575999.

The spelling of 6254400509 in words is "six billion, two hundred fifty-four million, four hundred thousand, five hundred nine".