651195009195 has 16 divisors (see below), whose sum is σ = 1042136724480. Its totient is φ = 347229101664.

The previous prime is 651195009163. The next prime is 651195009197. The reversal of 651195009195 is 591900591156.

It is not a de Polignac number, because 651195009195 - 2⁵ = 651195009163 is a prime.

It is a super-2 number, since 2×651195009195² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (651195009197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4609549 + ... + 4748718.

It is an arithmetic number, because the mean of its divisors is an integer number (65133545280).

Almost surely, 2^651195009195 is an apocalyptic number.

651195009195 is a deficient number, since it is larger than the sum of its proper divisors (390941715285).

651195009195 is a wasteful number, since it uses less digits than its factorization.

651195009195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362914.

The product of its (nonzero) digits is 546750, while the sum is 51.

The spelling of 651195009195 in words is "six hundred fifty-one billion, one hundred ninety-five million, nine thousand, one hundred ninety-five".