649350455 has 16 divisors (see below), whose sum is σ = 868099680. Its totient is φ = 462983808.

The previous prime is 649350433. The next prime is 649350473. The reversal of 649350455 is 554053946.

It is a cyclic number.

It is not a de Polignac number, because 649350455 - 2⁶ = 649350391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170357 + ... + 174126.

It is an arithmetic number, because the mean of its divisors is an integer number (54256230).

Almost surely, 2^649350455 is an apocalyptic number.

649350455 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

649350455 is a deficient number, since it is larger than the sum of its proper divisors (218749225).

649350455 is a wasteful number, since it uses less digits than its factorization.

649350455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344530.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 649350455 is about 25482.3557584459. The cubic root of 649350455 is about 865.9504649274.

The spelling of 649350455 in words is "six hundred forty-nine million, three hundred fifty thousand, four hundred fifty-five".