649498299 has 8 divisors (see below), whose sum is σ = 911576640. Its totient is φ = 410209416.

The previous prime is 649498279. The next prime is 649498313. The reversal of 649498299 is 992894946.

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

It is not a de Polignac number, because 649498299 - 2¹¹ = 649496251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (649498249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5697297 + ... + 5697410.

It is an arithmetic number, because the mean of its divisors is an integer number (113947080).

Almost surely, 2^649498299 is an apocalyptic number.

649498299 is a deficient number, since it is larger than the sum of its proper divisors (262078341).

649498299 is a wasteful number, since it uses less digits than its factorization.

649498299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11394729.

The product of its digits is 10077696, while the sum is 60.

The square root of 649498299 is about 25485.2565025350. The cubic root of 649498299 is about 866.0161797580.

The spelling of 649498299 in words is "six hundred forty-nine million, four hundred ninety-eight thousand, two hundred ninety-nine".