649241270 has 16 divisors (see below), whose sum is σ = 1208932560. Its totient is φ = 250741344.

The previous prime is 649241249. The next prime is 649241291. The reversal of 649241270 is 72142946.

649241270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (649241249) and next prime (649241291).

It is a self number, because there is not a number n which added to its sum of digits gives 649241270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119092 + ... + 1119671.

It is an arithmetic number, because the mean of its divisors is an integer number (75558285).

Almost surely, 2^649241270 is an apocalyptic number.

649241270 is a deficient number, since it is larger than the sum of its proper divisors (559691290).

649241270 is a wasteful number, since it uses less digits than its factorization.

649241270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238799.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 649241270 is about 25480.2133036598. The cubic root of 649241270 is about 865.9019271409.

The spelling of 649241270 in words is "six hundred forty-nine million, two hundred forty-one thousand, two hundred seventy".