651246645002 has 64 divisors (see below), whose sum is σ = 1017182897280. Its totient is φ = 312517868544.

The previous prime is 651246644989. The next prime is 651246645031. The reversal of 651246645002 is 200546642156.

It is a super-2 number, since 2×651246645002² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576834374 + ... + 576835502.

It is an arithmetic number, because the mean of its divisors is an integer number (15893482770).

Almost surely, 2^651246645002 is an apocalyptic number.

651246645002 is a deficient number, since it is larger than the sum of its proper divisors (365936252278).

651246645002 is a wasteful number, since it uses less digits than its factorization.

651246645002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 651246645002 in words is "six hundred fifty-one billion, two hundred forty-six million, six hundred forty-five thousand, two".