649350474 has 8 divisors (see below), whose sum is σ = 1298700960. Its totient is φ = 216450156.

The previous prime is 649350473. The next prime is 649350487. The reversal of 649350474 is 474053946.

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

649350474 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (649350473) 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, 54112534 + ... + 54112545.

It is an arithmetic number, because the mean of its divisors is an integer number (162337620).

Almost surely, 2^649350474 is an apocalyptic number.

649350474 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.

649350474 is a wasteful number, since it uses less digits than its factorization.

649350474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108225084.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 649350474 is about 25482.3561312529. The cubic root of 649350474 is about 865.9504733733.

The spelling of 649350474 in words is "six hundred forty-nine million, three hundred fifty thousand, four hundred seventy-four".