1649152334 has 8 divisors (see below), whose sum is σ = 2505041760. Its totient is φ = 814138416.

The previous prime is 1649152259. The next prime is 1649152363. The reversal of 1649152334 is 4332519461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5218679 + ... + 5218994.

It is an arithmetic number, because the mean of its divisors is an integer number (313130220).

Almost surely, 2^1649152334 is an apocalyptic number.

1649152334 is a deficient number, since it is larger than the sum of its proper divisors (855889426).

1649152334 is a wasteful number, since it uses less digits than its factorization.

1649152334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10437754.

The product of its digits is 77760, while the sum is 38.

The square root of 1649152334 is about 40609.7566355673. The cubic root of 1649152334 is about 1181.4633606779.

The spelling of 1649152334 in words is "one billion, six hundred forty-nine million, one hundred fifty-two thousand, three hundred thirty-four".