129480793465 has 4 divisors (see below), whose sum is σ = 155376952164. Its totient is φ = 103584634768.

The previous prime is 129480793447. The next prime is 129480793493. The reversal of 129480793465 is 564397084921.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51686658409 + 77794135056 = 227347^2 + 278916^2 .

It is a cyclic number.

It is not a de Polignac number, because 129480793465 - 2⁵ = 129480793433 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 12948079342 + ... + 12948079351.

It is an arithmetic number, because the mean of its divisors is an integer number (38844238041).

It is a 1-persistent number, because it is pandigital, but 2⋅129480793465 = 258961586930 is not.

Almost surely, 2^129480793465 is an apocalyptic number.

It is an amenable number.

129480793465 is a deficient number, since it is larger than the sum of its proper divisors (25896158699).

129480793465 is an equidigital number, since it uses as much as digits as its factorization.

129480793465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25896158698.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 129480793465 in words is "one hundred twenty-nine billion, four hundred eighty million, seven hundred ninety-three thousand, four hundred sixty-five".