129465763830761 has 2 divisors, whose sum is σ = 129465763830762. Its totient is φ = 129465763830760.

The previous prime is 129465763830713. The next prime is 129465763830853. The reversal of 129465763830761 is 167038367564921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91150097129536 + 38315666701225 = 9547256^2 + 6189965^2 .

It is a cyclic number.

It is not a de Polignac number, because 129465763830761 - 2³⁸ = 129190885923817 is a prime.

It is a super-2 number, since 2×129465763830761² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 129465763830691 and 129465763830700.

It is not a weakly prime, because it can be changed into another prime (129465763830961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64732881915380 + 64732881915381.

It is an arithmetic number, because the mean of its divisors is an integer number (64732881915381).

It is a 1-persistent number, because it is pandigital, but 2⋅129465763830761 = 258931527661522 is not.

Almost surely, 2^{129465763830761} is an apocalyptic number.

It is an amenable number.

129465763830761 is a deficient number, since it is larger than the sum of its proper divisors (1).

129465763830761 is an equidigital number, since it uses as much as digits as its factorization.

129465763830761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 274337280, while the sum is 68.

The spelling of 129465763830761 in words is "one hundred twenty-nine trillion, four hundred sixty-five billion, seven hundred sixty-three million, eight hundred thirty thousand, seven hundred sixty-one".