6494881254 has 8 divisors (see below), whose sum is σ = 12989762520. Its totient is φ = 2164960416.

The previous prime is 6494881231. The next prime is 6494881259. The reversal of 6494881254 is 4521884946.

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

6494881254 is an admirable number.

It is a super-2 number, since 2×6494881254² = 84366965007121225032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6494881197 and 6494881206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494881259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541240099 + ... + 541240110.

It is an arithmetic number, because the mean of its divisors is an integer number (1623720315).

Almost surely, 2^6494881254 is an apocalyptic number.

6494881254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6494881254 is a wasteful number, since it uses less digits than its factorization.

6494881254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082480214.

The product of its digits is 2211840, while the sum is 51.

The square root of 6494881254 is about 80590.8261156318. The cubic root of 6494881254 is about 1865.7655580494.

The spelling of 6494881254 in words is "six billion, four hundred ninety-four million, eight hundred eighty-one thousand, two hundred fifty-four".