6321492489 has 48 divisors (see below), whose sum is σ = 9632944320. Its totient is φ = 3675559680.

The previous prime is 6321492469. The next prime is 6321492533. The reversal of 6321492489 is 9842941236.

It is not a de Polignac number, because 6321492489 - 2⁷ = 6321492361 is a prime.

It is a super-2 number, since 2×6321492489² = 79922534576966830242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6321492409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5210847 + ... + 5212059.

It is an arithmetic number, because the mean of its divisors is an integer number (200686340).

Almost surely, 2^6321492489 is an apocalyptic number.

It is an amenable number.

6321492489 is a deficient number, since it is larger than the sum of its proper divisors (3311451831).

6321492489 is a wasteful number, since it uses less digits than its factorization.

6321492489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1789 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 6321492489 is about 79507.8140122089. The cubic root of 6321492489 is about 1849.0126203228.

The spelling of 6321492489 in words is "six billion, three hundred twenty-one million, four hundred ninety-two thousand, four hundred eighty-nine".