651049863306 has 16 divisors (see below), whose sum is σ = 1303626231264. Its totient is φ = 216762203664.

The previous prime is 651049863293. The next prime is 651049863307. The reversal of 651049863306 is 603368940156.

It is a happy number.

It is a super-2 number, since 2×651049863306² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (651049863307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63598816 + ... + 63609051.

It is an arithmetic number, because the mean of its divisors is an integer number (81476639454).

Almost surely, 2^651049863306 is an apocalyptic number.

651049863306 is an abundant number, since it is smaller than the sum of its proper divisors (652576367958).

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

651049863306 is a wasteful number, since it uses less digits than its factorization.

651049863306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127208725.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 651049863306 in words is "six hundred fifty-one billion, forty-nine million, eight hundred sixty-three thousand, three hundred six".