649654014100 has 576 divisors, whose sum is σ = 1881479577600. Its totient is φ = 189045964800.

The previous prime is 649654014091. The next prime is 649654014103. The reversal of 649654014100 is 1410456946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649654014103) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1446890676 + ... + 1446891124.

It is an arithmetic number, because the mean of its divisors is an integer number (3266457600).

Almost surely, 2^649654014100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 649654014100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940739788800).

649654014100 is an abundant number, since it is smaller than the sum of its proper divisors (1231825563500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649654014100 is a wasteful number, since it uses less digits than its factorization.

649654014100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 649654014100 in words is "six hundred forty-nine billion, six hundred fifty-four million, fourteen thousand, one hundred".