649101112 has 24 divisors (see below), whose sum is σ = 1337767200. Its totient is φ = 295045520.

The previous prime is 649101107. The next prime is 649101121. The reversal of 649101112 is 211101946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334312 + ... + 336247.

It is an arithmetic number, because the mean of its divisors is an integer number (55740300).

Almost surely, 2^649101112 is an apocalyptic number.

It is an amenable number.

649101112 is an abundant number, since it is smaller than the sum of its proper divisors (688666088).

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

649101112 is a wasteful number, since it uses less digits than its factorization.

649101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670587 (or 670572 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 649101112 is about 25477.4628250146. The cubic root of 649101112 is about 865.8396124451.

It can be divided in two parts, 649 and 101112, that added together give a square (101761 = 319²).

The spelling of 649101112 in words is "six hundred forty-nine million, one hundred one thousand, one hundred twelve".