1649454582 has 8 divisors (see below), whose sum is σ = 3298909176. Its totient is φ = 549818192.

The previous prime is 1649454571. The next prime is 1649454589. The reversal of 1649454582 is 2854549461.

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

1649454582 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649454589) 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, 137454543 + ... + 137454554.

It is an arithmetic number, because the mean of its divisors is an integer number (412363647).

Almost surely, 2^1649454582 is an apocalyptic number.

1649454582 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.

1649454582 is a wasteful number, since it uses less digits than its factorization.

1649454582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274909102.

The product of its digits is 1382400, while the sum is 48.

The square root of 1649454582 is about 40613.4778367970. The cubic root of 1649454582 is about 1181.5355337406.

The spelling of 1649454582 in words is "one billion, six hundred forty-nine million, four hundred fifty-four thousand, five hundred eighty-two".