64651362122131 has 2 divisors, whose sum is σ = 64651362122132. Its totient is φ = 64651362122130.

The previous prime is 64651362122119. The next prime is 64651362122143. The reversal of 64651362122131 is 13122126315646.

It is a balanced prime because it is at equal distance from previous prime (64651362122119) and next prime (64651362122143).

It is a cyclic number.

It is not a de Polignac number, because 64651362122131 - 2¹³ = 64651362113939 is a prime.

It is a super-2 number, since 2×64651362122131² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64651362122101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32325681061065 + 32325681061066.

It is an arithmetic number, because the mean of its divisors is an integer number (32325681061066).

Almost surely, 2^{64651362122131} is an apocalyptic number.

64651362122131 is a deficient number, since it is larger than the sum of its proper divisors (1).

64651362122131 is an equidigital number, since it uses as much as digits as its factorization.

64651362122131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

Adding to 64651362122131 its reverse (13122126315646), we get a palindrome (77773488437777).

The spelling of 64651362122131 in words is "sixty-four trillion, six hundred fifty-one billion, three hundred sixty-two million, one hundred twenty-two thousand, one hundred thirty-one".