651040102063 has 4 divisors (see below), whose sum is σ = 701120109928. Its totient is φ = 600960094200.

The previous prime is 651040102019. The next prime is 651040102079. The reversal of 651040102063 is 360201040156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 651040102063 - 2¹³ = 651040093871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651040102093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25040003913 + ... + 25040003938.

It is an arithmetic number, because the mean of its divisors is an integer number (175280027482).

Almost surely, 2^651040102063 is an apocalyptic number.

651040102063 is a deficient number, since it is larger than the sum of its proper divisors (50080007865).

651040102063 is a wasteful number, since it uses less digits than its factorization.

651040102063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50080007864.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 651040102063 in words is "six hundred fifty-one billion, forty million, one hundred two thousand, sixty-three".