649057335 has 8 divisors (see below), whose sum is σ = 1038491760. Its totient is φ = 346163904.

The previous prime is 649057313. The next prime is 649057391. The reversal of 649057335 is 533750946.

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

It is not a de Polignac number, because 649057335 - 2¹² = 649053239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21635230 + ... + 21635259.

It is an arithmetic number, because the mean of its divisors is an integer number (129811470).

Almost surely, 2^649057335 is an apocalyptic number.

649057335 is a deficient number, since it is larger than the sum of its proper divisors (389434425).

649057335 is a wasteful number, since it uses less digits than its factorization.

649057335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43270497.

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 649057335 is about 25476.6036786696. The cubic root of 649057335 is about 865.8201472123.

The spelling of 649057335 in words is "six hundred forty-nine million, fifty-seven thousand, three hundred thirty-five".