6254288639 has 8 divisors (see below), whose sum is σ = 6677987712. Its totient is φ = 5843237400.

The previous prime is 6254288633. The next prime is 6254288641. The reversal of 6254288639 is 9368824526.

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

It is a de Polignac number, because none of the positive numbers 2^k-6254288639 is a prime.

It is a super-2 number, since 2×6254288639² = 78232252759848944642, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6254288633) 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, 3160937 + ... + 3162914.

It is an arithmetic number, because the mean of its divisors is an integer number (834748464).

Almost surely, 2^6254288639 is an apocalyptic number.

6254288639 is a deficient number, since it is larger than the sum of its proper divisors (423699073).

6254288639 is a wasteful number, since it uses less digits than its factorization.

6254288639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323917.

The product of its digits is 4976640, while the sum is 53.

The square root of 6254288639 is about 79084.0605874534. The cubic root of 6254288639 is about 1842.4369724873.

The spelling of 6254288639 in words is "six billion, two hundred fifty-four million, two hundred eighty-eight thousand, six hundred thirty-nine".